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|Total 1 products from paraiba chalcedony Manufactures & Suppliers||
Place of Origin:China
Brand Name:CNOEC, OPTO-EDU
Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321 Professional Optical Design, High Hardness CZ Test Prism, Clear Shadow Boundaries, Special Power Supply A24.6321 Gem Refractometer A B C Scale Range 1.35-1.85, Hard CZ Measuring ...
Opto-Edu (Beijing) Co., Ltd.