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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
Zinc alloy die castings
WITHDRAWN published on 5.11.1992
Selected format:Zinc alloy die castings
WITHDRAWN published on 1.4.2009
Selected format:Test specimens for non ferrous diecasting alloys
WITHDRAWN published on 5.11.1992
Selected format:Methods for the calibration of vibration and shock pick-ups—Basic concepts
WITHDRAWN published on 11.6.1993
Selected format:Methods for the calibration of vibration and shock transducers—Part 1:Basic concepts
WITHDRAWN published on 13.5.2005
Selected format:Methods for the calibration of vibration and shock pick-ups—Secondary shock calibration
WITHDRAWN published on 4.1.1995
Selected format:Methods for the calibration of vibration and shock pick-ups—Primary vibration calibration by laser interferometry at low frequencies
WITHDRAWN published on 2.4.1995
Selected format:Methods for calibration of vibration and shock pick-ups—Primary shock calibration by light cutting
WITHDRAWN published on 2.4.1995
Selected format:Methods for the calibration of vibration and shock pick-ups—Primary vibration calibration by reciprocity method
WITHDRAWN published on 6.6.1997
Selected format:Methods for the calibration of vibration and shock pick-ups—Calibration by Earth""s gravitation
WITHDRAWN published on 27.9.2008
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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