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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
Methods of test for walking tractor
WITHDRAWN published on 14.12.1995
Selected format:Chemical reagents; Perchloric acid
WITHDRAWN published on 1.9.1992
Selected format:Chemical reagent—Perchloric acid
WITHDRAWN published on 12.5.2011
Selected format:Location and method of operation of tractor operator controls
WITHDRAWN published on 1.1.1986
Selected format:Location and method of operation of tractor operator controls
WITHDRAWN published on 3.4.1986
Selected format:Measuring method of cleanliness for tractors
WITHDRAWN published on 1.1.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Tractors and machinery for agriculture and forestry-Wheel-to-hub fixing dimensions
WITHDRAWN published on 10.8.1998
Selected format:Agricultural tractors and machinery hydraulic quick couplers for general purposes--Specifications
WITHDRAWN published on 1.1.1986
Selected format:Agricultural tractors--Track widths
WITHDRAWN published on 1.1.1986
Selected format:Latest update: 2026-06-24 (Number of items: 2 284 377)
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