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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
Analytical method of content for permethrin
WITHDRAWN published on 1.1.1988
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WITHDRAWN published on 1.1.1988
Selected format:Melamine for industrial use
WITHDRAWN published on 26.9.1997
Selected format:Rubber hoses--Dispensing conventinal petroleum based fuels
WITHDRAWN published on 1.1.1988
Selected format:Rubber hose--On shore oil suction and discharge
WITHDRAWN published on 1.1.1988
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WITHDRAWN published on 1.1.1976
Selected format:Rubber hose--On shore oil discharge hose--Specification
WITHDRAWN published on 1.1.1988
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WITHDRAWN published on 1.1.1988
Selected format:Rubber and plastics hoses and hose assemblies--Determination of electrical resistance
WITHDRAWN published on 1.1.1988
Selected format:Rubber and plastics hoses and hose assemblies—Determination of electrical resistance
WITHDRAWN published on 28.8.2001
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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