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Application filed by Martino Srl DifiledCriticalMartino Srl Di
Priority to ITVR940009priorityCriticalpatent/IT233587Y1/en
Publication of ITVR940009V0publicationCriticalpatent/ITVR940009V0/en
Publication of ITVR940009U1publicationCriticalpatent/ITVR940009U1/en
Application grantedgrantedCritical
Publication of IT233587Y1publicationCriticalpatent/IT233587Y1/en
DEVICE THAT CAN BE USED IN PARTICULAR FOR PUMPING A VERY VISCOUS FLUID AND/OR CONTAINING A CONSIDERABLE PROPORTION OF GAS, PARTICULARLY FOR THE PRODUCTION OF OIL.