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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
Mechanical vibration—Guidelines for the measurement,reporting and evaluation of vibration with regard to habitability on passenger and merchant ships
WITHDRAWN published on 30.4.2007
Selected format:Guidelines for the overall evaluation of vibration in merchant ships
WITHDRAWN published on 7.11.1996
Selected format:Guidelines for the overall evaluation of vibration in merchant ships under 100m
WITHDRAWN published on 7.11.1996
Selected format:Measurement of ship vibration
WITHDRAWN published on 7.11.1996
Selected format:Technical regulations for operation and beam adjustment of motor vehicle head-lamp
WITHDRAWN published on 18.3.1987
Selected format:Bleached chemical paper pulp--Determination of lignin
WITHDRAWN published on 30.11.1965
Selected format:Surface active agents—Determination of the power to disperse calcium soap—Acidimetric method (Modified Schoenfeldt method)
WITHDRAWN published on 19.3.1987
Selected format:High activity cobalt-60 sealed radioactive sources
WITHDRAWN published on 24.9.1994
Selected format:High activity cobalt-60 sealed radioactive sources
WITHDRAWN published on 13.3.2009
Selected format:Pulps--Determination of acid-insoluble lignin
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2025-07-25 (Number of items: 2 209 786)
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