GB/T 33725-2017表壳体及其附件耐磨损、划伤和冲击试验国家标准
英文:Watch cases and accessories—Tests of the resistance to wear, scratching and impacts GB/T 33725-2017介绍: 国家标准《表壳体及其附件 耐...
英文:Watch cases and accessories—Tests of the resistance to wear, scratching and impacts GB/T 33725-2017介绍: 国家标准《表壳体及其附件 耐...