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NA 027

DIN Standards Committee Optics and Precision Mechanics

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ISO/TC 174
Jewellery and precious metals

Publications Projects

Standardization in the field of jewellery (e.g. numbering system, sizes of rings, precious metals colours and coatings, diamonds) and precious metals (e.g. analyses, sampling, impurities).

National mirror committee of ISO/TC 174

Committee ID Name
NA 027-04-01 AA Jewellery, precious metals and associated products