Precious and non-precious metals

Precious and non-precious metals, Total:2 items.

The international standard classification for "Precious and non-precious metals" includes: Other products of non-ferrous metals .

The Chinese standard classification for "Precious and non-precious metals" includes: Precious metals and their alloys .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

• GB/T 17168-1997 Dental casting precious metal alloys

Ente Nazionale Italiano di Unificazione

• UNI 11599-1:2015 Jewelry and costume jewelry - Coatings of products alloy of precious and non-precious metals - Part 1: Test method for resistance to artificial sweat

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