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Application filed by Carotaj Si Perforare IntreprinfiledCriticalCarotaj Si Perforare Intreprin
Priority to RO6956072ApriorityCriticalpatent/RO61981A2/en
Publication of RO61981A2publicationCriticalpatent/RO61981A2/en
AUTOMATIC SPOLLEER WITH TANGENTIAL OPERATION OF THE SINGLE SPOOLS AND SENSITIVE EQUIPMENT SUITABLE TO INTERMITTENTLY INTERMITTENTLY THE MOTOR CONTROL OF THE GROOVED DRUMS