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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
Polybutylene(PB) piping systems for hot and cold water installations—Part 1:General
WITHDRAWN published on 15.3.2004
Selected format:Polybutylene(PB) piping systems for hot and cold water installations—Part 2:Pipes
WITHDRAWN published on 15.3.2004
Selected format:Polybutylene(PB) piping systems for hot and cold water installations—Part 3:Fittings
WITHDRAWN published on 15.3.2004
Selected format:Hard-copy output of engineering drawings--Specification for the structure of control files
WITHDRAWN published on 15.3.2004
Selected format:Operating procedures of cattle slaughtering
WITHDRAWN published on 16.3.2004
Selected format:Operating procedure of chicken slaughtering
WITHDRAWN published on 16.3.2004
Selected format:Good manufacturing practice for pig slaughting
WITHDRAWN published on 16.3.2004
Selected format:Jack rope hole plate of light cargo hoisting rod
WITHDRAWN published on 1.1.1980
Selected format:Terms of meat and meat products
WITHDRAWN published on 16.3.2004
Selected format:Requirements and measurement methods of electromagnetic compatibility for cordless telephone
WITHDRAWN published on 15.3.2004
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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