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)

Four unique + post

Four unique + post, Total:23 items.

The international standard classification for "Four unique + post" includes: Publishing , Information sciences , Inks. Printing inks , Items of art and handicrafts .

The Chinese standard classification for "Four unique + post" includes: Editing and Publication , Library, Archives, Literature and Information .


Professional Standard - Press and Publication

  • CY/T 186-2019 Identifier of publishing and distribution agencies

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

  • GB/T 36369-2018 Information and documentation--Digital object identifier system

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Group Standards of the People's Republic of China

Institute of Electrical and Electronics Engineers (IEEE)

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

  • IEEE 807-2011 Recommended Practice for Unique Identification in Hydroelectric Facilities

American National Standards Institute (ANSI)

  • ANSI/IEEE 807:2011 Recommended Practice for Unique Identification in Hydroelectric Facilities

GM Europe

SCC

  • MIL MIL-L-51343B-1990 LAUNCHER, ROCKET, 66MM, FOUR TUBE, M202 (NO S/S DOCUMENT) (SUPERSEDING MIL-L-51343A)
  • MIL MIL-C-82783-1990 CYCLOTETRAMETHYLENETETRANITRAMINE (HMX) (NO S/S DOCUMENT)
  • DIN EN ISO 7499 E:2023 Draft Document - Technical product documentation (TPD) - Unique integral feature identification (UIFI) (ISO/DIS 7499:2023); German and English version prEN ISO 7499:2023

British Standards Institution (BSI)

  • 23/30464899 DC BS EN ISO 7499 Technical product documentation (TPD). Unique integral feature identification (UIFI)

United States Navy