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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
Shaft sinking winch
WITHDRAWN published on 25.6.2007
Selected format:Dispatching winch
WITHDRAWN published on 19.7.1994
Selected format:Dispatching winch
WITHDRAWN published on 19.9.2005
Selected format:Aluminium alloy die-castings
WITHDRAWN published on 20.7.1994
Selected format:Aluminum alloy die castings
WITHDRAWN published on 1.4.2009
Selected format:Die casting aluminium alloys
WITHDRAWN published on 20.7.1994
Selected format:Die casting aluminum alloys
WITHDRAWN published on 1.4.2009
Selected format:Die casting copper alloys
WITHDRAWN published on 20.7.1994
Selected format:Copper alloy die castings
WITHDRAWN published on 20.7.1994
Selected format:Technical requirement for digital line systems on optical fibre cables at 4X139264kbit/s
WITHDRAWN published on 12.7.1994
Selected format:Latest update: 2024-10-18 (Number of items: 2 205 605)
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