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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
Minimum allowable values of energy efficiency and energy efficiency grades for arc welding machines
WITHDRAWN published on 5.11.2012
Selected format:Typical assembly with guide stripper for cold press dies--Typical assembly for longitudinal feeding
WITHDRAWN published on 1.1.1981
Selected format:Typical assembly with guide stripper for cold press dies--Typical assembly for cross feeding
WITHDRAWN published on 1.1.1981
Selected format:Typical assembly with guide stripper for cold press dies--Typical assembly for spring stripper and longitudinal feeding
WITHDRAWN published on 1.1.1981
Selected format:Typical assembly with guide stripper for cold press dies--Typical assembly for spring stripper and cross feeding
WITHDRAWN published on 1.1.1981
Selected format:Technical specifications of cold press die typical assembly
WITHDRAWN published on 1.1.1981
Selected format:Cable cranes
WITHDRAWN published on 5.11.2012
Selected format:Hydraulic fluid power-power units--Nominal capacities of reservoir
WITHDRAWN published on 1.1.1981
Selected format:Test method for sealing characteristics of packaging containers—Ultrasonic method
WITHDRAWN published on 5.11.2012
Selected format:Natural gas—Performance evaluation for on-line analytical systems
WITHDRAWN published on 5.11.2012
Selected format:Latest update: 2026-04-10 (Number of items: 2 271 455)
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