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
Chemical reagent—Sodium carbonate decahydrate
WITHDRAWN published on 20.9.1988
Selected format:Chemical reagent—Magnesium oxide
WITHDRAWN published on 20.9.1988
Selected format:Method for determining the folding endurance of photographic film and film base
WITHDRAWN published on 20.9.1988
Selected format:Method for processing sensitometry strip of black-and-white photographic materials
WITHDRAWN published on 20.9.1988
Selected format:Basic forms and sizes of weld grooves for submerged arc welding
WITHDRAWN published on 25.6.1988
Selected format:Method for determining the resistance of photographic films to abrasion during processing
WITHDRAWN published on 20.9.1988
Selected format:Method for determination of silver in photographic films, papers, emulsions, fixing baths, effluents, sludges or residues
WITHDRAWN published on 20.9.1988
Selected format:Rubber, vulcanized or thermoplastic—Preparation of samples and test pieces—Part1:Physical tests
WITHDRAWN published on 28.10.1996
Selected format:Rubber—Determination of abrasion resistance using a rotating cylinderical drum device
WITHDRAWN published on 20.9.1988
Selected format:Rubber—General directions for achieving elevated or subnormal temperatures for test purposes
WITHDRAWN published on 20.9.1988
Selected format:Latest update: 2024-09-01 (Number of items: 2 345 425)
© Copyright 2024 NORMSERVIS s.r.o.