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Standards GB - Chinese national standards - Page 6218
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
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GB/T 15184-1994
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Sectional specification for power transformers for switched mode power supplies (SMPS) for use in electronic equipment for capability approval
WITHDRAWN published on 2.8.1994
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GB/T 15186-1994
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Separator—Types and basic parameters
WITHDRAWN published on 29.8.1994
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GB/T 15187-1994
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Measuring method for performance of wet dust collectors
WITHDRAWN published on 29.8.1994
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GB/T 15187-2005
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Measuring method for performances of wet dust collectors
WITHDRAWN published on 11.7.2005
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GB/T 15188.1-1994
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Face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves--Buttwelding valves
WITHDRAWN published on 29.8.1994
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GB/T 15188.2-1994
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Face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves--Wafer valves
WITHDRAWN published on 29.8.1994
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GB/T 15188.3-1994
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Face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves--Female screw valves
WITHDRAWN published on 29.8.1994
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GB/T 15188.4-1994
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Face-to-face, centre-to-face, end-to-end and centre-to end dimensions of valves--Mals screw valves
WITHDRAWN published on 29.8.1994
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GB/T 1519-1979
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Method for determination of copper content in manganese ores--Polarographic method
WITHDRAWN published on 28.2.1979
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GB/T 15190-1994
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Technical specifications to determinate the suitable areas for environmental noise of urban area
WITHDRAWN published on 8.9.1994
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