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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
Measurement of vibrations in rock drilling machines and pneumatic tools--General
WITHDRAWN published on 9.3.1988
Selected format:Hand-held portablepower tools--Measurement of vibrations at the handle--Part 1:General
WITHDRAWN published on 9.6.2004
Selected format:Measurement of vibrations in rock drilling machines and pneumatic tools--Measurement for percussive machines
WITHDRAWN published on 9.3.1988
Selected format:Hand-held portable power tools--Measurement of vibrations at the handle Part 2:Chippinghammers and riveting hammers
WITHDRAWN published on 9.6.2004
Selected format:Measurement of vibrations in rock drilling machines and pneumatic tools--Measurement for rotation machines
WITHDRAWN published on 9.3.1988
Selected format:Hand-held portable power tools--Measurement of vibrations at the handle--Part 3:Rock drills and rotary hammers
WITHDRAWN published on 9.6.2004
Selected format:Hand-held portable power tools—Measurements of vibrations at the handle—Part 6:Impact drills
WITHDRAWN published on 8.11.2006
Selected format:Hygienic standard for arsenic in soil
WITHDRAWN published on 23.2.1988
Selected format:Test procedure on working site for measuring the loading percentage of a three-phase induction motor
WITHDRAWN published on 14.3.1988
Selected format:Steel wire ropes
WITHDRAWN published on 5.4.1996
Selected format:Latest update: 2024-09-09 (Number of items: 2 346 212)
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