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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
Post-earthquake field works—Part 4:Assessment of direct loss
WITHDRAWN published on 28.3.2005
Selected format:Safety of machinery—Indication, marking and actuation—Part 1:Requirements for visual, auditory and tactile signals
WITHDRAWN published on 17.10.2000
Selected format:Safety of machinery—Indication, marking and actuation—Part 2:Requirements for marking
WITHDRAWN published on 17.10.2000
Selected format:Safety of machinery—Indication, marking and actuation—Part 3:Requirements for the location and operation of actuators
WITHDRAWN published on 1.10.2002
Selected format:Determination of iron content in tin concentrates--Dichromate volumetric method
WITHDRAWN published on 29.12.1979
Selected format:General requirements for safety of electrical micro-machines
WITHDRAWN published on 17.10.2000
Selected format:Calculation of maximum external diameter of cables for indoor installations
WITHDRAWN published on 7.10.2000
Selected format:Flow measurement of city manufactured gas in main pipes Part 1:Method using standard orifice plate throttling device
WITHDRAWN published on 17.10.2000
Selected format:Electrical safety in low voltage distribution systems up to 1000V a.c. and 1500V d.c.—equipment for testing, measuring or monitoring of protective measuring Part 1:General requirements
WITHDRAWN published on 17.10.2000
Selected format:Electrical safety in low voltage distribution systems up to 1 000 V a.c.and 1 500 V d.c.—Equipment for testing,measuring or monitoring of protective measures—Part 1:General requirements
WITHDRAWN published on 5.11.2012
Selected format:Latest update: 2024-09-25 (Number of items: 2 350 354)
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