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
Priority claimed from FR8104814Aexternal-prioritypatent/FR2501618B1/en
Application filed by Bail R C J LefiledCriticalBail R C J Le
Application grantedgrantedCritical
Publication of ATE17557T1publicationCriticalpatent/ATE17557T1/en