We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Information technology—Open systems-interconnection—The directory Part1:Overview of concepts, models and services
WITHDRAWN published on 22.3.1996
Selected format:Information technology—Open system-interconnection—The directory—Part 2:Models
WITHDRAWN published on 22.3.1996
Selected format:Information technology—Open systems-interconnection—The directory—Part 3:Abstract service definition
WITHDRAWN published on 22.3.1996
Selected format:Information technology—Open systems interconnection—The directory— Part 4:Procedures for distributed operation
WITHDRAWN published on 22.3.1996
Selected format:Information technology—Open systems interconnection—The directory— Part 5:Protocol specifications
WITHDRAWN published on 22.3.1996
Selected format:Information technology—Open systems interconnection—The directory— Part 6:Selected attribute types
WITHDRAWN published on 22.3.1996
Selected format:Information technology—Open systems interconnection—The directory—Part 7:Selected object classes
WITHDRAWN published on 22.3.1996
Selected format:Information technology—Open systems interconnection—The directory—Part 8:Authentication framework
WITHDRAWN published on 22.3.1996
Selected format:Test of packaging materials—Compatability
WITHDRAWN published on 12.3.1996
Selected format:Test of packaging materials Contact corrosivity
WITHDRAWN published on 12.3.1996
Selected format:Latest update: 2025-11-05 (Number of items: 2 243 072)
© Copyright 2025 NORMSERVIS s.r.o.