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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
Methods for the calibration of vibration and shock pick-ups—Primary vibration calibration by laser interferometry
WITHDRAWN published on 5.11.1992
Selected format:Methods for the calibration of vibration and shock pick-ups—Comparison(secondary vibration)calibration by sinusoidal excitation
WITHDRAWN published on 5.11.1992
Selected format:Methods for the calibration of vibration and shock pick-ups—Testing of magnetic field sensitivity
WITHDRAWN published on 5.11.1992
Selected format:Methods for the calibration of vibration and shock pick-ups—Primary vibration calibration by comparison of phase angles
WITHDRAWN published on 30.6.1994
Selected format:Methods for the calibration of vibration and shock pick-ups—Testing of transverse vibration sensitivity
WITHDRAWN published on 30.6.1994
Selected format:Requirements for instruments for measuring vibration severity
WITHDRAWN published on 5.11.1992
Selected format:Metallic coatings—Determination of the mass for hot dip galvanized coatings on ferrous materials—Gravimetric method
WITHDRAWN published on 5.11.1992
Selected format:Wet type (non-metallic)friction materials
WITHDRAWN published on 5.11.1992
Selected format:Standard specification for sinterde austenitic stainless steel structural part
WITHDRAWN published on 5.11.1992
Selected format:Stranded wire cylindrical helical springs
WITHDRAWN published on 11.11.1992
Selected format:Latest update: 2026-01-26 (Number of items: 2 257 479)
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