ISO-9202 › Complete Document History
Jewellery and precious metals - Fineness of precious metal alloys
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3RD EDITION - Fineness of precious metal alloys - April 1, 2019
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Obsolete Revision Information: |
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2ND EDITION - Jewellery - Fineness of precious metal alloys - Dec. 1, 2014
1ST EDITION - Jewellery - Fineness of precious metal alloys - Sept. 15, 1991 |