Watch-cases and accessories—Gold alloy coverings—Part 2:Determination of fineness,thickness,corrosion resistance and adhesion
MOD ISO 3160-2:2015
全国钟表标准化技术委员会(SAC/TC 160)
GB/T 38020的本部分规定了表壳体及其附件包括不可从表壳上卸下的表带的金合金覆盖层纯度、厚度、耐腐蚀性能和附着力的测试方法。
本部分试验仅适用于有效表面。
本部分适用于GB/T 38020.1规定的所有金合金覆盖层。
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