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NBN EN ISO 22764:2026
Jewellery and precious metals - Fineness of solders used with precious metal jewellery alloys (ISO 22764:2020)
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Summary
This document specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 03/18/2026 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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