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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
Standard test method for time-to-failure of thermoplastic pipe under constant internal pressure
WITHDRAWN published on 15.6.1985
Selected format:Thermoplastics pipes for the conveyance of fluids-Resistance to internal pressure—Test method
WITHDRAWN published on 5.3.2003
Selected format:Standard test method for impact resistance of thermoplastic pipe and fittings by means of a tup (falling weight)
WITHDRAWN published on 1.1.1985
Selected format:Electromagnetic interference measuring apparatus
WITHDRAWN published on 1.1.1985
Selected format:Specifications for radio disturbance and immunity measuring apparatus
WITHDRAWN published on 16.1.1995
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-1:Radio disturbance and immunity measuring apparatus—Measuring apparatus
WITHDRAWN published on 12.1.2008
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-1:Radio disturbance and immunity measuring apparatus—Measuring apparatus
WITHDRAWN published on 25.4.2016
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-2:Radio disturbance and immunity measuring apparatus—Ancillary equipment—Conducted disturbances
WITHDRAWN published on 12.1.2008
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-3:Radio disturbance and immunity measuring apparatus—Ancillary equipment—Disturbances power
WITHDRAWN published on 12.1.2008
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-4:Radio disturbance and immunity measuring apparatus—Ancillary equipment—Radiated disturbances
WITHDRAWN published on 12.1.2008
Selected format:Latest update: 2026-04-24 (Number of items: 2 274 650)
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