表壳和附件|沙特标准|SASO ISO 23160

  表壳和附件|沙特标准|SASO ISO 23160

  Watchcases and accessories-Tests of there sistance to wear,scratching and impacts

  表壳和附件.耐磨性、耐刮擦性和耐冲击性试验

  Technical regulation for Jewelery Decorations and Accessories

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