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Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for Poor+

Poor+

Poor+, Total:200 items.

The international standard classification for "Poor+" includes: Limits and fits , Iron and steel castings , Rubber and plastics products in general , Manufacturing forming processes , Taps and threading dies , Welding processes , Mechanical engineering drawings , Electrical and electronic testing , Screw threads , Drills, countersinks, reamers , Measurement of force, weight and pressure , Rolling bearings , Glass in general , Photographic equipment. Projectors , Inch screw threads , Wood technology processes , Metric screw threads , Other protective equipment , Electricity. Magnetism. Electrical and magnetic measurements , Washers, locking elements , Vacuum technology , Bottles. Pots. Jars , Measurement of electrical and magnetic quantities , Colours and measurement of light , Analytical chemistry in general , Gears , Sewing machines and other equipment for the clothing industry , Screw threads in general .

The Chinese standard classification for "Poor+" includes: Basic standards and general methods , Forging and pressing , Rubber seal , Cutting tools , Welding and cutting , Optical instrument in general , AC/DC electrical instrument recording instrument , Casting , Temperature and pressure instrument , Rolling bearing , Laboratory glass, ceramic and plastic vessel , Articles for labor protection , Hydrology and water conservancy instrument , Fastener , Vacuum technique and equipment , Daily use glass products , Comprehensive Technology , Electromagnetic Measurement , Optical Measurement , Basic standards and general methods , Electrochemical, thermochemistry and optical profile type analyzer , Electric rotating machinery in general , Electron optics and other physical optics instrument , Relay protection and automatic device , Coupling, brake and speed variator , Refrigeration equipment , Sewing machine , Furniture in general , Printed circuit , Technical management , Packaging material and container , Office supplies and office implements .

Professional Standard - Textile

  • FZ/T 90009-1991 General tolerance Limit deviation of untolerated dimensions

Taiwan Provincial Standard of the People's Republic of China

  • CNS 5283-1984 Accuracy of Cylindrical Gear Teeth Tolerance for Errors of Tooth Trace
  • CNS 11259-1985 Tolerances of Ball and Roller Bearings-Chamfer Dimension Limits
  • CNS 13081-1992 Predicting Deviations of Assemblies and Allocation of Tolerances for Building
  • CNS 13533-1995 Deviations for Center Distances
  • CNS 13374-1994 Tolerances, Allowable Deviations and Permissible Wears of Limit Gauges
  • CNS 4-1-1987 Limits and Fits (General, Tolerance and Deviations)
  • CNS 520-1955 Tolerance of Whitworth Threads (Medium and Coarse Fits)
  • CNS 531-1978 Iso Metric Screw Threads-Tolerances-Deviations for Constructional Threads
  • CNS 13534-1995 System of Cone Tolerances
  • CNS 5281-1984 Deviations of Centre Distance and Parallelism Tolerances for Axes of Cases for Cylindrical Gears
  • CNS 8459-1983 Significance Test of Difference Between the Population Mean and the Standart (Standard Deviation Known ,One - Sided)
  • CNS 8879-1983 Interval Estimation of the Difference Between Two Population Means(Standard Deviations Known)
  • CNS 8550-1983 Significance Test of Differencece Between the Two Population Means(Standard Deviations Known, Two - Sided)
  • CNS 7120-1983 Tolerances for Pipe Flange
  • CNS 4018-1987 Permissible Deviations in Dimensions Without Tolerance Indication (Machining)
  • CNS 8462-1983 Significance Test of Difference Between the Population Mean and the Standard (Standard Deviation Unknown ,Two -Sided)
  • CNS 8880-1983 Interval Estimation of the Difference Between Two Population Means (Standard Deviations Known)
  • CNS 4.1-1987 Limits and Fits (General, Tolerance and Deviations)
  • CNS 8461-1983 Significance Test of Difference Between the Population Mean and the Standard (Standard Deviation Unknown One - Sided)
  • CNS 8460-1983 Significance Test of Difference Between the Population Mean and the Standard (Standard Deviation Known, Two - Sided)
  • CNS 5285-1984 Accuracy of Cylindrical Gear Teeth Tolerance for Errors of Indevidual Parameters
  • CNS 8549-1983 Significance Test of Difference Between the Two Population Means (Standard Deviations, Known, One-Side)
  • CNS 13079-1992 Types of Dimensional and Toleramces for Building
  • CNS 12946-1992 Glossary of Terms Used in Dimensional Tolerance for Building
  • CNS 518-1955 Tolerance of Whitworth Threads (Fine Fit)
  • CNS 10309-1983 Steel Die Forgings -- Tolerances and Permissible Variations
  • CNS 4114-1991 Basic Tolerances for Building Components

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Aerospace

National Metrological Verification Regulations of the People's Republic of China

  • JJG 595-2002 Verification Regulation of Colorimeters and Color Difference Meters
  • JJG 123-2004 Verification Regulation of D.C. potentiometers
  • JJG 640-2016 Differential Pressure Flowmeters
  • JJG 936-2012 Verification Regulation of the Differential Scanning Calorimeter
  • JJG(铁道) 123-2005 Measuring Ruler for Difference of Wheels Set Position and Brake Discs Set Position of Railway Vehciles

Professional Standard - Tobacco

  • YC/T 13-1993 Tobacco machinery unspecified dimensional and geometric tolerances

Professional Standard - Aviation

Professional Standard - Machinery

Professional Standard - Railway

  • TB 347-1985 Limit deviation of communication signal products without tolerance dimensions
  • TB/T 2250-1991 Limit Deviations of Non-Tolerance Dimensions for Welded Structures of Rolling Stock

Professional Standard - Light Industry

  • QB/T 3658-1999 Wooden Furniture Tolerances and Fits
  • QB/T 1512-2011 Sewing machine partsSize limit of not note tolerances
  • QB/T 2267-1996 Tolerance and Matching for Time Keeping Instrument - Standard Tolerance Value of Inserting Middle Tolerance Class with Size to 18mm
  • QB/T 1512-1992 Limit Deviation of Sewing Machine Parts without Tolerance Dimensions

Professional Standard - Automobile

  • QC/T 268-1999 Extreme deviation for undeclared tolerance size of processing parts for automobile cold stamping
  • QC/T 29017-2023 Permissible automotive molded plastic parts variations in dimensions without tolerance indication
  • QC/T 267-1999 Extreme deviation for undeclared tolerance size of automobile machining parts
  • QC/T 29087-1992 Extreme deviation for undeclared tolerance size of automobile welding processing parts

Military Standard of the People's Republic of China-General Armament Department

Professional Standard - Electron

  • SJ 2855-1988 Terms for thermoelectric refrigeration
  • SJ/T 10742-1996 Tolerances for electronic ceramic parts
  • SJ/T 10731-1996 Tolerances for regular clearance screw threads
  • SJ 1618-1980 Terms for thermoelectric generators
  • SJ 20810-2002 Printed board dimensions and tolerances
  • SJ 2857.3-1988 Methods for measurement of thermoelectric refrigeration materials properties - Methods for measurement of thermoelectric electromotance

Professional Standard - Energy and Power Planning

  • DL/T 1063-2007 Elastic wire resistance type displacemen meter
  • DL/T 2170-2020 Calculating method of energy consumption difference for coal-fired power plant

Professional Standard-Packaging

Jilin Provincial Standard of the People's Republic of China

  • DB2203/T 8-2024 Standards for "good and bad reviews" of government services

Professional Standard - Recommended Standards for Engineering Construction

  • CECS 314-2012 Technical specification for application of cathetometer

Professional Standard - Education

  • JY 0027-1993 The limit errors without tolerance indication on drawings and technical documents for educational equipment

Zhejiang Provincial Standard of the People's Republic of China

  • DB3302/T 175-2018 Technical specification for differential pressure precooling of fruits and vegetables

Professional Standard - Ferrous Metallurgy

Japanese Industrial Standards Committee (JISC)

  • JIS B 0401-1:1998 ISO system of limits and fits -- Part 1: Bases of tolerances, deviations and fits
  • JIS B 0417:1979 Permissible deviation in dimensions without tolerance indication for gas cut steel plates
  • JIS B 0401-1:2016 Geometrical product specifications (GPS) -- ISO code system for tolerances on linear sizes -- Part 1: Basis of tolerances, deviations and fits
  • JIS Z 9054:1966 Significance test of equality of the population variance and the standard (one-sided)
  • JIS Z 9057:1966 Significance test of equality of the two population variances (two-sided)
  • JIS Z 9055:1966 Significance test of equality of the population variance and the standard (two-sided)
  • JIS B 0401-2:2016 Geometrical product specifications (GPS) -- ISO code system for tolerances on linear sizes -- Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
  • JIS Z 9056:1979 Significance test of equality of the two population variances (one-sided)
  • JIS B 0621:1984 Definitions and designations of geometrical deviations

Korean Agency for Technology and Standards (KATS)

  • KS B 0113-2001(2016) Glossary of terms for hydraulic turbines and reversible pump turbines
  • KS B ISO 2768-2:2002 General tolerances-Part 2:Geometrical tolerances for features without individual tolerance indications
  • KS B ISO 2768-2:2014 General tolerances — Part 2: Geometrical tolerances for features without individual tolerance indications

German Institute for Standardization

  • DIN 3965-4:1986-08 Tolerancing of bevel gears; tolerances for shaft angle errors and axes intersection point deviations
  • DIN 3962-2:1978-08 Tolerances for Cylindrical Gear Teeth; Tolerances for Tooth Trace Deviations
  • DIN 3965-3:1986-08 Tolerancing of bevel gears; tolerances for tangential composite errors
  • DIN 7157:1973 Recommended Selection of Fits; Tolerance Zones, Allowances, Fit Tolerances
  • DIN 3962-3:1978-08 Tolerances for Cylindrical Gear Teeth; Tolerances for Pitch-span Deviations
  • DIN 3962-1:1978-08 Tolerances for Cylindrical Gear Teeth; Tolerances for Deviations of Individual Parameters
  • DIN 3963:1978-08 Tolerances for Cylindrical Gear Teeth; Tolerances for Working Deviations
  • DIN 7168-2:1986 Tolerances Shape and position tolerances
  • DIN 7157:1966 Recommended Selection of Fits; Tolerance Zones, Allowances, Fit Tolerances
  • DIN 58700-1:1978-03 ISO-limits and fits; selection of tolerance zones for fine-mechanics, tolerance zones, nominal deviations
  • DIN 3965-4:1986 Tolerancing of bevel gears; tolerances for shaft angle errors and axes intersection point deviations

Standards Norway

  • NS 1557:1966 ISO tolerances and fits — Bore tolerances — Selection for general purposes
  • NS 1558:1966 ISO tolerances and fits — Shaft tolerances — Selection for general purposes

Ente Nazionale Italiano di Unificazione

  • UNI EN 22768-2:1996 General tolerances. Geometrical tolerances for features without individual tolerance indications.
  • UNI EN ISO 1660:2017 Geometrical product specifications (GPS) - Geometrical tolerancing - Profile tolerancing

Swedish Institute for Standards

Danish Standards Foundation

  • DS 687:1990 Kunuckle thread. Deviations and tolerances

Polski Komitet Normalizacyjny (PKN)

  • PN H83104-1972 Groy iron castings Dimensional tolerances, machining allowan- ces and weight deviaiions
  • PN M02168-02-1991 General tolerances Geometrical tolerances for features without individual tolerance indications

Belgian Standards Institute

Gosstandart of Russia

  • GOST 25348-1982 Basic norms of interchangeability. Unified system of tolerances and fits. Series of tolerances, basic deviations and tolerance zones for sizes over 3150 mm

Austrian Standards

National Standardisation Body (ASRO)

  • STAS 7391/5-1974 Tolerances of form and of position TOLERANCES OF RADIAL RUNOUT AND OF AXIAL RUNOUT

Association Francaise de Normalisation

  • NF X08-014:1983 COLOUR. COLOUR DIFFERENCES AND TOLERANCES. COLOUR DIFFERENCE FORMULA CIE LUV AND CIE LAB.

Bureau of Indian Standards

  • IS 16752-2018 Rubber- Tolerance for Products- Dimensional Tolerances

British Standards Institution (BSI)

Difference,Centipede,Tolerance,polarization + difference,poor technology,Poor+,difference,and difference,difference spectrum,differential pressure,poor polarization,poor water quality,standard deviation,poor icp,Differential Pressure Differential Pressure Transmitter,DTAG,DG,diurnal and intraday,Differential calorimeter difference,Sine difference and coma

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