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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
Particleboard—Part 5:Requirements for load-bearing boards for use in humid conditions
WITHDRAWN published on 27.1.2003
Selected format:Particleboard—Part 6:Requirements for heavy-duty load-bearing boards for use in dry conditions
WITHDRAWN published on 27.1.2003
Selected format:Particleboard—Part 7:Requirements for heavy duty load-bearing boards for use in humid conditions
WITHDRAWN published on 27.1.2003
Selected format:Gold, silver and their alloy brazing for electron device
WITHDRAWN published on 1.1.1985
Selected format:Test method for gold, silver and their alloy brazing for electron device--Test method for cleanness
WITHDRAWN published on 1.1.1985
Selected format:Test method for gold, silver and their alloy brazing for electron device--Test method for spatter
WITHDRAWN published on 1.1.1985
Selected format:Wall mail box
WITHDRAWN published on 1.1.1985
Selected format:Test methods for bare wires—General
WITHDRAWN published on 31.1.1985
Selected format:Test methods for bare wires—Test for continuity of coating—Ammonium persulphate solution method
WITHDRAWN published on 31.1.1985
Selected format:Test methods for bare wires—Test for adherence of coating
WITHDRAWN published on 31.1.1985
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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