矿物和蓝宝石手表玻璃|沙特标准|SASO ISO 14368-3
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矿物和蓝宝石手表玻璃|沙特标准|SASO ISO 14368-3
Mineral and sapphire watch glasses–Part3:Qualitative criteria and test methods
矿物和蓝宝石手表玻璃.第3部分:定性标准和试验方法
Technical regulation for Jewelery Decorations and Accessories
Mineral and sapphire watch glasses–Part3:Qualitative criteria and test methods
矿物和蓝宝石手表玻璃.第3部分:定性标准和试验方法
Technical regulation for Jewelery Decorations and Accessories
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