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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
Test method for determining mechanical and physical properties of electric cables and wires. Measurement of density·Pycnometer method
WITHDRAWN published on 1.1.1994
Selected format:Electric wire and cable--Method of flexing test for flexible cables and wires
WITHDRAWN published on 1.1.1982
Selected format:Test method for determining mechanical and physical properties of electric cables and wires--Flexing test for flexible cables and wires
WITHDRAWN published on 7.7.1994
Selected format:Electric wire and cable--Bending test method
WITHDRAWN published on 1.1.1982
Selected format:Test method for determining mechanical and physical properties of electric cables and wires--Bending test
WITHDRAWN published on 7.7.1994
Selected format:Electric wire and cable--Test method for copper naphthenates content of protective coverings
WITHDRAWN published on 1.1.1982
Selected format:Test method for determining mechanical and physical properties of electric cables and wires--Testfor copper naphthenate content of protective coverings
WITHDRAWN published on 7.7.1994
Selected format:Electric wire and cable--Test method for anaerobe-corrosion of protective coverings
WITHDRAWN published on 1.1.1982
Selected format:Test method fordetermining mechanical and physical properties of electric cables and wires--Test for anaerobe-corrosion of protectrive coverings
WITHDRAWN published on 7.7.1994
Selected format:Electric wire and cable--Saline bath test method
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-03-16 (Number of items: 2 266 785)
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