• A process and formula for gold imitated coloring of copper and copper alloy by cathodic reduction were advanced in detail.

    详细介绍一种合金阴极还原着仿金色工艺及其配方

    youdao

  • A process and formula for gold imitated coloring of copper and copper alloy by cathodic reduction were advanced in detail.

    详细介绍一种合金阴极还原着仿金色工艺及其配方

    youdao

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