Ethiopia: New source for Sapphires and Emeralds
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11
ชื่อวารสาร : Facette
วันที่เผยแพร่ : 06/2021
สำนักพิมพ์ : Swiss Gemmological Institute SSEF
หมวดหมู่ :
Coloured Stone
จำนวนหน้า : 2
พร้อมใช้งาน :
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