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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
General specification for multipolar and two-speed electrical resolvers
WITHDRAWN published on 3.12.2007
Selected format:Type designation for electrical micro machine for automatic control system
WITHDRAWN published on 1.1.1989
Selected format:Type designation for control motor
WITHDRAWN published on 28.9.2001
Selected format:Specification for three-component borehole magnetometer
WITHDRAWN published on 21.2.1989
Selected format:General purpose specification of filar suspension magnetometer
WITHDRAWN published on 22.2.1989
Selected format:Detectors for intruder alarm systems--Part 1:Requirements for detectors--General
WITHDRAWN published on 17.10.2000
Selected format:Detectors for intruder alarm systems--Part 2:Ultrasonic Doppler detectors for use in buildings
WITHDRAWN published on 17.10.2000
Selected format:Detectors for intruder alarm systems--Part 3:Microwave Doppler detectors for use in buildings
WITHDRAWN published on 17.10.2000
Selected format:Detectors for intruder alarm systems--Part 4:Active infrared intrusion detectors
WITHDRAWN published on 17.10.2000
Selected format:Detectors for intruder alarm systems--Part 5:Passive infrared detectors for use in buildings
WITHDRAWN published on 17.10.2000
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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