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G R S S w i t z e r l a n d
GRS Gemresearch Swisslab LTD., P.O. Box 4028,
6002 Lucerne, SWITZERLAND
Public limited company of Canton of Lucerne, Switzerland
Director : Dr. A. Peretti, FGG, FGA (Gemmologist)
Phone: GRS Switzerland : 41 (41) 210-31-31
Fax : 41 (41) 210-31-34
Bangkok, Thailand
Mobile phone : (66+1) 823-30-61
Phone : (66+2) 237-5898
Fax : (66+2) 237-5899
Homepages : www.gemresearch.ch
and www.swissreports.com
E-mail : adolf@peretti.ch
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G R S T h a i l a n d
Agent for GRS Gemresearch Swisslab in Thailand
GRS Thailand Co., LTD.
Director : Dr. A. Peretti, FGG, FGA (Gemmologist)
Jewelry Trade Center, Room 919/257, 20th Floor, North Tower
Silom Road, Bangrak, Bangkok 10500, Thailand
Phone : (66+2) 237-5898 & 630-0112
Fax : (66+2) 237-5899
& 630-0114
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