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GB - Chinese national standards - Page 5734

Standards GB - Chinese national standards - Page 5734

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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Preview GB 12560-1990 1.1.1990

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Preview GB/T 12561-1990 1.1.1990

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Blank detail specification for light emitting diodes

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Preview GB/T 12562-1990 6.12.1990

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Blank detail specification for PIN diodes

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Preview GB/T 12563-1990 12.12.1990

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Requirements of terrestrial interface for domestic satellite communications earth stations

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Preview GB/T 12564-1990 12.12.1990

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Generic specification for photomultiplier tubes

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Preview GB/T 12567-1990 12.12.1990

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Methods of measurement of display storage tubes

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Preview GB/T 12568-1990 12.12.1990

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Sectional specification for display storage tubes

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Preview GB/T 12569-1990 12.12.1990

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Blank detail specification for display storage tubes

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electronic design (pdf) (382.80 USD)

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Preview GB 1257-1989 1.3.1989

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Working chemical Potassium hydrogen phthalate

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Preview GB/T 12570-1990 12.12.1990

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Blank detail specification for monochrome display tubes

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