Trans-Balkan Pipeline Conference

17.09.1997 - 19.09.1997
Sofia, Kempinski hotel Zografski
client: Balkan and Black Sea petroleum association
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Sofia, Kempinski hotel Zografski
client: Balkan and Black Sea petroleum association
Sofia, NPC
client: National society of clinical laboratory
Varna, Riviera Holiday Club
client: International commission on occupational health scientific advisory committee