GB - Chinese national standards

Recycling materials for pure aluminium

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Metallic materials—Principles and designs for multiaxial fatigue testing

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Test method for shear strength of C/C composites

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Sintered metal materials, excluding hardmetals—Measurement of surface roughness

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Evaluation requirements for dedicated outdoor air conditioning equipment

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Aluminum matrix composite wafers

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Detection of Legionella in circulating cooling water

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Corrosion of metals and alloys—Accelerated corrosion test for intergranular corrosion susceptibility of austenitic stainless steels

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Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry

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Determination of ammonium in methanol for industrial use—Ion chromatography

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