M00010837
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ISO 22764:2020 Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys
standard by International Organization for Standardization, 02/01/2020
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Availability date: 2021-11-25
ISO 22764:2020 specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys.