NBN ISO 22764:2020

NBN ISO 22764:2020

Jewellery and precious metals — Fineness of solders used with precious metal jewellery alloys ISO 22764:2020

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Detalles

This document specifies the precious metal content in solders suitable for use in the production of jewellery made of precious metal alloys.
Directives : Not yet available in DB

Información adicional

Autor Bureau de Normalisation Belge (NBN)
Publicado por NBN
Tipo de Documento Norma
ICS 39.060 : Joyería
histórico No
Palabra clave ISO 22764, ISO 22764:2020