JIS H 6309:1999
Jewellery -- Fineness of precious metal alloys

Standard No.
JIS H 6309:1999
Release Date
1999
Published By
Japanese Industrial Standards Committee (JISC)
Status
Replace By
JIS H 6309:2022
Latest
JIS H 6309:2022
Scope
This standard specifies the range of purity (grade) (excluding wax) of precious metal alloys for jewelry.

JIS H 6309:1999 history

Jewellery -- Fineness of precious metal alloys



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