Drahé kovy

Oblast zaměření: Drahé kovy
Komise : CEN/SS M21 (Precious metals)
Původce: CEN
K připomínkám do: 25.11.2018
Zobraz více Zobraz méně

This document specifies a range of fineness of precious metal alloys (excluding solders) recommended for use in the field of jewellery.

National legal requirements for the designation, marking, and stamping of finished articles in the respective countries have to be taken into account.