We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Conveyor belts—Flame retardation—Specifications and test method
WITHDRAWN published on 12.6.1996
Selected format:Conveyor belts—Laboratory scale flammability characteristics—Requirements and test method
WITHDRAWN published on 24.4.2009
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:V-belts—Tensile strength and elongation test method
WITHDRAWN published on 19.10.1998
Selected format:V belts; Determination of ply adhesion
WITHDRAWN published on 6.3.1989
Selected format:-
WITHDRAWN published on 1.1.1983
Selected format:V-belts--Cord adhesion test method
WITHDRAWN published on 19.10.1998
Selected format:Rubber flat belts--Resistance to stripping by flexing--Method of test
WITHDRAWN published on 1.1.1983
Selected format:Minimum allowable values of the energy efficiency and energy efficiency grades for air cleaners
WITHDRAWN published on 19.11.2018
Selected format:Rubber flat belt--Test method for tensile property
WITHDRAWN published on 1.1.1983
Selected format:Latest update: 2025-12-17 (Number of items: 2 252 317)
© Copyright 2025 NORMSERVIS s.r.o.