GB - Chinese national standards

Directives for the work of reference materials—Part 7General requirements for the competence of reference material producters

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Directives for the work of reference materials—Part 8:Good practice in using reference materials

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Directives for the work of reference materials—Part 9Approaches for the production of reference materials with qualitative properties

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General rules of dimensionsshape,surface quality, test method and inspection for elastic alloys

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Designations of corrosion-resistant alloy

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Designations of corrosion-resistant alloy

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Corrosion resistant alloy bars

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Physical quantity terminologies and definitions of elastic alloy, expansion alloy, thermostat metal, resistance alloy

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Designations of precision alloys

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Designation and classification of rapidly quenched metals

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