Sign In |Help & Support
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)

number

number, Total:14 items.

The international standard classification for "number" includes: Plastics , Ventilators. Fans. Air-conditioners .

The Chinese standard classification for "number" includes: Basic standards and general methods for synthetic resin and plastic , Compressor and fan .


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

  • GB/T 3235-1999 Basic types sizes parameters and characteristics of fans
  • GB/T 1632-1993 Determination of viscosity number and limiting viscosity number of polymers in dilute solution

Professional Standard - Coal

  • MT/T 49-1987 Determination method of solidity coefficient of coal

Spanish Association for Standardization (UNE)

  • UNE 1 055 Library printed matter, countability registration

International Telecommunication Union (ITU)

  • ITU-R M.1452-2000 Transport Information and Control Systems- Low Power Short-Range Vehicular Radar Equipment at 60 GHz and 76 GHz
  • ITU-R M.1451-2000 Transport Information and Control Systems: Functionalities

Standard Association of Australia (SAA)

  • AS 2529:1982 Collection of reliability, availability and maintainability data for electronics and similar engineering use

Institute of Electrical and Electronics Engineers (IEEE)

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

  • ASHRAE LV-11-C069-2011 Performance Evaluation of Indoor Environment Parameters for an Unoccupied Operating Room

Korean Agency for Technology and Standards (KATS)

SE-SIS

RU-GOST R

  • GOST R 54526-2011 Data quality. Part 140. Master data. Exchange of characteristic data. Completeness
  • GOST R 54526-2011(2019) Data quality. Part 140. Master data. Exchange of characteristic data. Completeness