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GB - Chinese national standards - Page 9136

Standards GB - Chinese national standards - Page 9136

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/T 8493-1987 28.12.1987

GB/T 8493-1987 WITHDRAWN

Metallograph of cast carbon steels for general engineering purposes

WITHDRAWN published on 28.12.1987

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Preview GB 8494.1-1987 1.1.1987

GB 8494.1-1987 WITHDRAWN

General specifications for magnatic head of cassette tape recorder

WITHDRAWN published on 1.1.1987

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Preview GB 8494.2-1987 1.1.1987

GB 8494.2-1987 WITHDRAWN

Dimensions of magnetic heads for cassette tape recorders

WITHDRAWN published on 1.1.1987

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Preview GB 8494.3-1987 1.1.1987

GB 8494.3-1987 WITHDRAWN

Classification and fundamental parameters of magnetic heads for cassette tape recorders

WITHDRAWN published on 1.1.1987

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Preview GB 8494.4-1987 1.1.1987

GB 8494.4-1987 WITHDRAWN

Methods of measurement for magnetic head of cassette tape recorder

WITHDRAWN published on 1.1.1987

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Preview GB 8494.5-1987 1.1.1987

GB 8494.5-1987 WITHDRAWN

Designational methods of the model number for magnetic head of cassette tape recorder

WITHDRAWN published on 1.1.1987

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Preview GB 8495.1-1987 1.1.1987

GB 8495.1-1987 WITHDRAWN

Basic parameters of video heads and their upper cylinders

WITHDRAWN published on 1.1.1987

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Preview GB 8495.2-1987 1.1.1987

GB 8495.2-1987 WITHDRAWN

Methods for measurements of basic parameters of video heads and their upper cylinders

WITHDRAWN published on 1.1.1987

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Preview GB/T 8496-1987 28.11.1987

GB/T 8496-1987 WITHDRAWN

Basic parameters and methods of measurement on electronic tuner for receivers for television broadcast transmissions

WITHDRAWN published on 28.11.1987

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Preview GB/T 8497-1987 29.12.1987

GB/T 8497-1987 WITHDRAWN

Evaluation indices of freight traffic quality in through transportation enterprise

WITHDRAWN published on 29.12.1987

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electronic design (pdf) (526.80 USD)

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