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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
Specifications for damp heat testing chambers
Execute Date: december 2025
Standard published on 30.5.2025
Selected format:Specifications for salt mist testing chambers
Standard published on 3.4.2006
Selected format:Specifications for mould growth testing chambers
Standard published on 3.4.2006
Selected format:Specifications for low temperature test chambers
Standard published on 30.6.2008
Selected format:Specifications for high and low temperature/low air pressure testing chambers
Standard published on 3.4.2006
Selected format:Specifications for high temperature/low air pressure testing chambers
Standard published on 3.4.2006
Selected format:Specifications for high/low temperature testing chambers
Standard published on 17.3.2023
Selected format:Measuring methods of environmental parameters for electric and electronic products Part 1:Vibration
Standard published on 26.8.2005
Selected format:Method of the measuring environmental parameters for electric and electronic products—Part 2: Salt mist
Standard published on 6.8.2023
Selected format:Methods of measuring environmental parameters for electric and electronic products--Treatment andinduction for the vibration data
Standard published on 27.3.1990
Selected format:Latest update: 2025-08-20 (Number of items: 2 213 083)
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