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.)
CERCO
Original Assignee
CERCO
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 CERCOfiledCriticalCERCO
Priority to FR7140654ApriorityCriticalpatent/FR2159219B2/fr
Publication of FR2159219A2publicationCriticalpatent/FR2159219A2/fr
Application grantedgrantedCritical
Publication of FR2159219B2publicationCriticalpatent/FR2159219B2/fr