NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
ISO 3160-1
ISO 3160-1
Watch cases and accessories; Gold alloy coverings; Part 1 : General requirements
Title (German)
Uhrgehäuse und Zubehör; Überzüge aus Goldlegierungen; Teil 1: Allgemeine Anforderungen
Responsible national committee
NA 027-04-01 AA - Jewellery, precious metals and associated products