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ASIAN INSTITIUTE OF GEMOLOGICAL SCIENCES CO., LTD. (AIGS)

02-267-4315-9
02-267-4320
919/539 Jewelry Trade Center Bld.,48th FL.,Silom Rd., Bangrak , Bangkok 10500
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02-267-4315-9
02-267-4320
919/539 Jewelry Trade Center Bld.,48th FL.,Silom Rd., Bangrak , Bangkok 10500