Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CGG SA
Original Assignee
Compagnie Generale de Geophysique SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Generale de Geophysique SAfiledCriticalCompagnie Generale de Geophysique SA
Publication of ES282922A1publicationCriticalpatent/ES282922A1/es
ES282922A1961-12-211962-11-29Perfeccionamientos introducidos en los amplificadores utilizados para la toma de registros sísmicos
ExpiredES282922A1
(es)