DIN Standards Committee Optics and Precision Mechanics
DIN EN 28654
Colours of gold alloys; definition, range of colours and designation (ISO 8654:1987); german version EN 28654:1992
Farben von Goldlegierungen; Bezeichnung, Farbenreihe und Kennzeichnung (ISO 8654:1987); Deutsche Fassung EN 28654:1992
Document: references other documents
Document: referenced in other documents
Responsible national committee
NA 027-04-01 AA - Jewellery, precious metals and associated products