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Application filed by Rtl Contactor Holding SafiledCriticalRtl Contactor Holding Sa
Priority to IT6701479ApriorityCriticalpatent/IT1118261B/it
Publication of IT7967014A0publicationCriticalpatent/IT7967014A0/it
Application grantedgrantedCritical
Publication of IT1118261BpublicationCriticalpatent/IT1118261B/it
IT6701479A1979-01-041979-01-04Apparecchio di contatto solido liquido particolarmente per l estrazione di oli bituminosi da sabbieche li contengono
IT1118261B
(it)