NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[CURRENT]
ISO 8654
ISO 8654
Jewellery - Colours of gold alloys - Definition, range of colours and designation
Title (German)
Schmuck - Farben von Goldlegierungen - Bezeichnung, Farbenreihe und Kennzeichnung
Responsible national committee
NA 027-04-01 AA - Jewellery, precious metals and associated products