美利体育登录入口官网:DIN EN 1811:2023 插入人体穿孔部位的所有柱组件以及直接长期接触皮肤的物品中镍释放量的参考测试方法
Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin