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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
Chain saw--Guide bar
WITHDRAWN published on 27.9.1985
Selected format:Chain saws--Saw chain
WITHDRAWN published on 27.9.1985
Selected format:Oil-resisting asbestos--Rubber sheets
WITHDRAWN published on 1.1.1983
Selected format:Oil-resisting asbestos-rubber sheets
WITHDRAWN published on 4.4.1995
Selected format:Gasoline powered chain saws--Measurement at the operatorposition of air-borne noise from chain saws
WITHDRAWN published on 1.1.1985
Selected format:Portable chain saws—Measurement at the operator""s position of air-borne noise
WITHDRAWN published on 8.12.1995
Selected format:Forestry machinery—Noise test code for portable hand-held machines with internal combustion engine—Engineering method(Grade 2 accuracy)
WITHDRAWN published on 27.5.2008
Selected format:Forestry and garden machineryNoise test code for portable hand-held machines with internal combustion engineEngineering methodGrade 2 accuracy
WITHDRAWN published on 31.12.2013
Selected format:Gasoline powered chain saws--Bench test methods
WITHDRAWN published on 27.9.1985
Selected format:Gasoline powered chain saws--General technical requirements
WITHDRAWN published on 1.1.1985
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
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