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Material metallographic inspection

Material metallographic inspection, Total:4 items.

In the international standard classification, Material metallographic inspection involves: Electrical accessories, Powder metallurgy.

Professional Standard - Machinery, Material metallographic inspection

• JB/T 8985-1999 Metallographic examination of the electric contact materials
• JB/T 9137-2015 Sintered metal friction materials.Metallographic method
• JB/T 9137-1999 Sintered metal friction materials.Metallographic method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Material metallographic inspection

• GB 3490-1983 Metallographic examination method of copper oxide copper-containing precious metal materials

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