标准编号:ISO 22764:2020
中文名称:珠宝首饰和贵金属 与贵金属首饰合金一起使用的焊料的细度
英文名称:Jewellery and precious metals — Fineness of solders used with precious metal jewellery alloys
发布日期:2020-01
标准范围
This document specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys.