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