Volume 6 Issue 1
Mar.  2004
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ZHANG Qing-lin. A Discussion on New National Standard for Jewelry and Gems[J]. Journal of Gems & Gemmology, 2004, 6(1): 35-36.
Citation: ZHANG Qing-lin. A Discussion on New National Standard for Jewelry and Gems[J]. Journal of Gems & Gemmology, 2004, 6(1): 35-36.

A Discussion on New National Standard for Jewelry and Gems

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  • Received Date: January 03, 2004

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