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
Leaded brass bars
WITHDRAWN published on 1.1.1984
Selected format:Complex brass bars
WITHDRAWN published on 1.1.1984
Selected format:-
WITHDRAWN published on 1.1.1984
Selected format:Brass rectangular bars
WITHDRAWN published on 29.5.1984
Selected format:Leaded brass bar for making needle seat of syringe
WITHDRAWN published on 29.5.1984
Selected format:Aluminum bronze round bars
WITHDRAWN published on 1.1.1984
Selected format:Cadmium bronze round bars
WITHDRAWN published on 1.1.1984
Selected format:Silicon bronze bars
WITHDRAWN published on 1.1.1984
Selected format:Tin phosphor bronze bars
WITHDRAWN published on 1.1.1984
Selected format:Copper-nickel-zinc alloy round bars
WITHDRAWN published on 1.1.1984
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
© Copyright 2026 NORMSERVIS s.r.o.