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 FR8714030Aexternal-prioritypatent/FR2621775B1/en
Priority claimed from FR8715472Aexternal-prioritypatent/FR2623044B1/en
Application filed by Rolland Marie ChristinefiledCriticalRolland Marie Christine
Priority claimed from EP88402589Aexternal-prioritypatent/EP0312456B1/en
Application grantedgrantedCritical
Publication of ATE104615T1publicationCriticalpatent/ATE104615T1/en