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
Detail specification for electronic component--Semiconductor integrated circuit-CT1030 TTL 8 input NAND gate
WITHDRAWN published on 1.1.1986
Selected format:Detail specification for electronic component--Semiconductor integrated circuit-CT1040 TTL Dual 4 input NAND buffer
WITHDRAWN published on 1.1.1986
Selected format:Detail specification for electronic component--semiconductor integrated circuit-CT1054 TTL 4 Wide 2-2-2-2 input AND-OR-invert gate
WITHDRAWN published on 1.1.1986
Selected format:General principles of measuring methods of D/A and A/D converters for semiconductor non-linear integrated circuits
WITHDRAWN published on 1.1.1986
Selected format:Detail specification for electronic component--Black-and-white picture tube of type 35SX 5B
WITHDRAWN published on 1.1.1986
Selected format:-
WITHDRAWN published on 1.1.1986
Selected format:Test methods for fiber cement products
WITHDRAWN published on 28.7.1997
Selected format:Test methods for fiber cement prdoucts
WITHDRAWN published on 5.12.2014
Selected format:Hot-rolled round and square steels—Dimension, shape, weight and tolerance
WITHDRAWN published on 7.6.1986
Selected format:Hot-rolled round and square steel bars-Dimension,Shape,weight and tolerance
WITHDRAWN published on 19.1.2004
Selected format:Latest update: 2026-06-20 (Number of items: 2 283 412)
© Copyright 2026 NORMSERVIS s.r.o.