Journal of The Gemmological Society of Japan
Online ISSN : 2189-8413
Print ISSN : 0385-5090
ISSN-L : 0385-5090
An easy method of measuring the depth of a mounted transparent stone in a closed-back setting, J. O. Gill, Gems & Gemol., 15, 178-180, 1976
[in Japanese]
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1978 Volume 5 Issue 3 Pages 137-

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© 1978 The Gemmological Society of Japan
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