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Priority claimed from FR8806242Aexternal-prioritypatent/FR2631097B1/fr
Application filed by Inst Francais De Petrol, CoflexipfiledCriticalInst Francais De Petrol
Priority to IN461MA1989priorityCriticalpatent/IN173079B/en
Publication of IN173079BpublicationCriticalpatent/IN173079B/en