GB - Chinese national standards

Hardmetals—Metallographic determination of microstructure—Part 1Photomicrographs and description

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Hardmetals—Metallographic determination of microstructure—Part 2Measurement of WC grain size

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Hardmetals—Metallographic determination of microstructure—Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals

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Hardmetals—Metallographic determination of microstructure—Part 4: Characterisation of porosity, carbon defects and eta-phase content

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Test conditions for 5-axis simultaneous machining centers—Part 1:Testing of the accuracy for horizontal machine

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Test conditions for 5-axis simultaneous machining centers—Part 2: Testing of the accuracy for vertical machine

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Test conditions for 5-axis simultaneous machining centers—Part 3:Specifications

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Geometrical product specifications (GPS)—Guidelines for the evaluation of coordinate measuring machine (CMM) test uncertainty

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Induction hardening and tempering of iron and steel parts

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Ion nitriding

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