The Identification of Blue Diffusion-Treated Sapphires
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ชื่อวารสาร : Gems & Gemology
วันที่เผยแพร่ : 06/2021
สำนักพิมพ์ : Gemological Institute of America Inc. (GIA)
หมวดหมู่ :
Geology & Gemology
จำนวนหน้า : 19
พร้อมใช้งาน :
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