Sign In |Help & Support
HOMECHINA STANDARDSICS CLASSIFICATIONINDUSTRY CLASSIFICATIONCHINESE CLASSIFICATIONCART(0)
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for Four versus eight

Four versus eight

Four versus eight, Total:131 items.

The international standard classification for "Four versus eight" includes: Radiation protection , Medical Sciences and health care facilities in general , Occupational safety. Industrial hygiene .

The Chinese standard classification for "Four versus eight" includes: Pipe fittings, clamps and seals , Radiological sanitation protection , Radiation protection detection and evaluation .

Group Standards of the People's Republic of China

  • T/ZS 0097-2019 Guidelines for the Construction of "Four Platforms"
  • T/ZS 0098-2019 "Four Platforms" Construction Work Negotiation Standards
  • T/OTOP 1014-2022 Fruit quality specifications of the fourth apple of mankind brand in Ning County
  • T/FNASS 02-2021 Specifications for personal life care services

Professional Standard - Aviation

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

  • GB 5294-2001 Specifications of individual monitoring for occpational exposure - Individual monitoring for external exposure
  • GB/T 16135-1995 Principles of estimate on personal dose from external exposure in radiation accident

Professional Standard - Nuclear Industry

  • EJ 269-1984 X, γ-ray external exposure personal dose monitoring regulations
  • EJ 1153-2004 Regulations of Individual Monitoring for X, γ Ray External Exposure
  • EJ/T 1177-2005 Assessment for Internal exposure of uranium workers
  • EJ 375-2005 Regulations of individual monitoring for occupational internal exposure

Occupational Health Standard of the People's Republic of China

  • GBZ(卫生) 128-2016 Specifications for individual monitoring of occupational external exposure
  • GBZ 129-2002 Specifications of individual monitoring for occupational internal exposure
  • GBZ(卫生) 207-2016 Testing criteria of personnel dosimetry performance for external exposure
  • GBZ 207-2008 Testing criteria of personnel dosimetry performance
  • GBZ(卫生) 129-2016 Specifications for individual monitoring of occupational internal exposure
  • GBZ 128-2019 Specifications for individual monitoring of occupational external exposure

中华人民共和国国家卫生和计划生育委员会

  • GBZ 129-2016 Specifications for individual monitoring of occupational internal exposure
  • GBZ 128-2016 Specifications for individual monitoring of occupational external exposure
  • GBZ 128-2002 Specificaitons of individual monitoring for occupational external exposure
  • GBZ 207-2016 Testing criteria of personnel dosimetry performance for external exposure

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 1192-2010 Guidelines for the construction of "four capabilities" for fire safety in shopping malls
  • DB13/T 1196-2010 Guidelines for the Construction of "Four Capabilities" for Fire Safety in Small Places
  • DB13/T 1199-2010 Community Fire Safety "Four Capabilities" Construction Guidelines
  • DB13/T 1193-2010 Guidelines for the Construction of "Four Capabilities" for Fire Safety in Public Entertainment Places
  • DB13/T 1191-2010 Guidelines for the Construction of "Four Capabilities" in Hotel and Restaurant Fire Safety
  • DB13/T 1138-2010 Guidelines for the Construction of "Four Capabilities" in Fire Safety of Social Units
  • DB13/T 1197-2010 Guidelines for the Construction of "Four Capabilities" in School Fire Safety

Jilin Provincial Standard of the People's Republic of China

  • DB22/T 488-2010 A guide to building four capabilities for fire safety in shopping malls
  • DB22/T 493-2010 Four Capacity Building Guidelines for Fire Safety in Small Places
  • DB22/T 490-2010 Guidelines for building four hospital fire safety capabilities

Chongqing Provincial Standard of the People's Republic of China

Ningxia Provincial Standard of the People's Republic of China

  • DB64/T 591-2021 School fire safety "four capabilities" construction standards
  • DB64/T 595-2021 Community Fire Safety "Four Capabilities" Construction Standards
  • DB64/T 590-2021 "Four Capabilities" Construction Standards for Fire Safety in Shopping Malls
  • DB64/T 589-2021 Hotel and restaurant fire safety "four capabilities" construction standards
  • DB64/T 596-2021 "Four Capabilities" Construction Standards for Fire Safety in Small Places
  • DB64/T 587-2021 "Four Capabilities" Construction Standards for Fire Safety of Social Units

Henan Provincial Standard of the People's Republic of China

Qinghai Provincial Standard of the People's Republic of China

未注明发布机构

  • DIN 503 E:2000-09 Driving components - Flange bearings - Fastened with four screws
  • DIN 503:1973 Driving components - Flange bearings - Fastened with four screws

Shanxi Provincial Standard of the People's Republic of China

  • DB14/T 579-2010 Guidelines for Building Four Capabilities of Fire Safety in Social Units

Yunnan Provincial Standard of the People's Republic of China

  • DB53/T 332-2010 Guidelines for the Construction of "Four Capabilities" in Fire Safety of Social Units

Hainan Provincial Standard of the People's Republic of China

  • DB46/ 221-2012 Construction and assessment of four fire safety capabilities of social units

HU-MSZT

RO-ASRO

  • STAS 8594-1988 PLANING MACHINES ON TWO, THREE OR FOUR FACES Accuracy specifications

Indonesia Standards

  • SNI 09-4403-1997 Testing methods for air conditioner for four or more wheel motor vehicles

Association Francaise de Normalisation

Institute of Electrical and Electronics Engineers (IEEE)

  • SMPTE ST 86:2005 ST 86:2005 - SMPTE Standard - For Motion-Picture Film — Magnetic Audio Records — Two, Three, Four and Six Records on 35-mm and One Record on 17.5-mm Magnetic Film

International Organization for Standardization (ISO)

GSO

  • GSO ISO 7789:2015 Hydraulic fluid power -- Two-, three- and four-port screw-in cartridge valves -- Cavities
  • GSO ISO 162:2015 Cinematography -- Head gaps and sound records for three-, four-, or six-track magnetic sound records on 35 mm and single-track on 17,5 mm motion-picture film containing no picture -- Positions and width dimensions

United States Navy

Defense Logistics Agency

CZ-CSN

SCC

IT-UNI

  • UNSIDER 32-1960 Quality inspection. Consumption comparison between two samples (comparison of two changes)
  • UNSIDER 17-1956 Quality inspection. Comparison of two statistical series. The significance of the difference between two averages

U.S. Military Regulations and Norms

Korean Agency for Technology and Standards (KATS)

  • KS M 8232-1996(2001) HEXAAMMONIUM HEPTAMOLYBDATE TETRAHYDRATE
  • KS S ISO 22222-2023 Personal financial planning－Requirements for personal financial planners
  • KS M 8232-1986 HEXAAMMONIUM HEPTAMOLYBDATE TETRAHYDRATE
  • KS M ISO 4264:2003 Petroleum products-Calculation of cetane index of middle-distillate fuels by the four-variable equation
  • KS C IEC 61146-2:2003 Video cameras(PAL/SECAM/NTSC)－Methods of measurement－Part 2：Two-and three-sensor professional cameras

RU-GOST R

AENOR

  • UNE-ISO 22222:2010 Personal financial planning. Requirements for personal financial planners.

Danish Standards Foundation

  • DS/ISO 22222:2006 Personal financial planning - Requirements for personal financial planners

British Standards Institution (BSI)

  • BS ISO 22222:2005 Personal financial planning. Requirements for personal financial planners

Canadian Standards Association (CSA)

Society of Motion Picture and Television Engineers (SMPTE)

  • SMPTE 324M-2004 Television Serial Interface for Multiplexing Eight AES3 Data Streams
  • SMPTE ST 324M-2004 Television Serial Interface for Multiplexing Eight AES3 Data Streams

VDI - Verein Deutscher Ingenieure

  • VDI 2142-1962 Plain linkages; calculation of four-bar linkages for four given relative positions in finite and infinite adjacent distance

NEMA - National Electrical Manufacturers Association

US-FCR

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

German Institute for Standardization

  • DIN 503:2004-09 Driving components - Flange bearings - Fastened with four screws
  • DIN 503:2004 Driving components - Flange bearings - Fastened with four screws
  • DIN 506:2004-09 Driving components - Cap-bearings, half bearings - Fastening with four screws

PL-PKN

  • PN M55093-1970 Metal cuting machin? ?ools Four cu?ter holders Sizes
  • PN P04846-1992 Textiles. Quantitative analysis of two and threecomponent mixtures of fibres using hand separation method

Aerospace Industries Association/ANSI Aerospace Standards

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

  • ASHRAE LO-09-053-2009 Comparison Between a Radiant Floor and Two Radiant Walls on Heating and Cooling Energy Demand

European Committee for Standardization (CEN)

  • EN 50008:1987 Low voltage switchgear and controlgear for industrial use; Inductive proximity switches; Form A; for direct current; 3 or 4 terminals
  • EN 50025:1987 Low voltage switchgear and controlgear for industrial use; Inductive proximity switches; Form C; for direct current, 3 or 4 terminals

NATO - North Atlantic Treaty Organization

  • ATP-65-2013 THE EFFECT OF WEARING CBRN INDIVIDUAL PROTECTIVE EQUIPMENT ON INDIVIDUAL AND UNIT PERFORMANCE DURING MILITARY OPERATIONS (To obtain please contact your national Defense Standardization Office or the NATO Standardization Office website: http:/ so.nato.int

ES-AENOR

  • UNE 15 011 h1 Mechanical equipment. Comparison of vocabulary and various languages. Spanish; French; English; German; Italian

eight controls,Compare eight,Eight requirements check against,Check against eight requirements,Eight control checks,eight controls,Four versus eight,Eighteen reference materials,Eighteen control checks,eighteen controls,Eighteen newly appointed controls,Compared with eighteen,Eighteen reference materials,Control Eight Controls,eighteen controls,Eighteen comparisons,Eighteen and fifteen control checks,Compare eight

All Rights Reserved © 2026 WWW.CHINASTANDARDS.NET visa master american express unionpay apple pay paypal google pay