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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
Technical conditions of diving boring machine
WITHDRAWN published on 1.1.1987
Selected format:Electric submersible vibroimpactor--Technical conditions
WITHDRAWN published on 1.1.1987
Selected format:Full screw earth auger--Technical conditions
WITHDRAWN published on 1.1.1987
Selected format:Diesel pile hammer classification
WITHDRAWN published on 29.12.1987
Selected format:Tubular diesel pile hammer--Technical conditions
WITHDRAWN published on 29.12.1987
Selected format:Vibratory pile hammer--Classification
WITHDRAWN published on 29.12.1987
Selected format:Vibratory pile hammer
WITHDRAWN published on 16.1.2004
Selected format:Vibratory pile hammer--Technical condition
WITHDRAWN published on 29.12.1987
Selected format:Technical conditions of mortar mixers
WITHDRAWN published on 1.1.1987
Selected format:Test method for mortar mixers
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2026-03-19 (Number of items: 2 268 472)
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