NA 027
DIN Standards Committee Optics and Precision Mechanics
Draft standard
ISO/DIS 9202
ISO/DIS 9202
Jewellery and precious metals - Fineness of precious metal alloys
Title (German)
Schmuck und Edelmetalle - Feingehalt von Edelmetalllegierungen
Responsible national committee
NA 027-04-01 AA - Jewellery, precious metals and associated products