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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
Hydraulic fluid power-Electrically modulated hydraulic control valves—Part 1:Test methods for four-way directional flow control valves
WITHDRAWN published on 25.11.2003
Selected format:Hydraulic fluid power-Electrically modulated hydraulic control valves—Part 2:Test methods for three-way directional flow control valves
WITHDRAWN published on 25.11.2003
Selected format:Hydraulic fluid power—Electrically modulated hydraulic control valves—Part 3:Test methods for pressure control valves
WITHDRAWN published on 5.11.2012
Selected format:Guidelines for standardization of services--Part 1:General rules
WITHDRAWN published on 17.7.1995
Selected format:Guidelines for standardization of services—Part 1:General rules
WITHDRAWN published on 26.5.2003
Selected format:Guidelines for technical evaluation of terminological database
WITHDRAWN published on 14.11.2001
Selected format:The specifications for port handling of liquid chemicals in bulk
WITHDRAWN published on 17.7.1995
Selected format:Drawings for hull of concrete ships
WITHDRAWN published on 17.7.1995
Selected format:Taxonomic codes of the Chinese fauna—Vertebrates
WITHDRAWN published on 21.6.1995
Selected format:Taxonomic codes of the China fauna—Part 1:Vertebrates
WITHDRAWN published on 15.10.2009
Selected format:Latest update: 2024-09-28 (Number of items: 2 350 600)
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