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
The basic types and dimensions of gear hobs
WITHDRAWN published on 20.7.2001
Selected format:The General technical specifications for gear hobs
WITHDRAWN published on 1.1.1985
Selected format:The general technical specifications for gear hobs
WITHDRAWN published on 20.7.2001
Selected format:Parameter for rotary table
WITHDRAWN published on 1.1.1985
Selected format:Accuracy for rotary table
WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Key type drill chuck
WITHDRAWN published on 15.10.1993
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:-
WITHDRAWN published on 1.1.1985
Selected format:Chemical reagent General method for the determination of total nitrogen
WITHDRAWN published on 5.9.1988
Selected format:Latest update: 2026-06-15 (Number of items: 2 282 497)
© Copyright 2026 NORMSERVIS s.r.o.