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OENORM EN ISO 8654
Jewellery - Colours of gold alloys - Definition, range of colours and designation (ISO 8654:2018 + Amd 1:2019) (consolidated version)
Edition
2020-04-01
OENORM EN ISO 11495
Jewellery and precious metals - Determination of palladium in palladium alloys - ICP-OES method using an internal standard element (ISO 11495:2019)
Edition
2019-12-15
