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Associate Member
Business Categories
Leopold Roessler
Oesterreichische Gemmologische Gesellschaft
Contact information may be available to logged in members.
Professional Bio
Certificates and Valuations for Diamonds, Colored Gemstones, & Jewelry.
Company/Business
Oesterreichische Gemmologische Gesellschaft
Oesterreichische Gemmologische Gesellschaft
Associate Member
Business Categories
Gemological Laboratory