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 FR8409615Aexternal-prioritypatent/FR2565770B1/en
Priority claimed from FR8409614Aexternal-prioritypatent/FR2565769B1/en
Application filed by Lucas Georges EtsfiledCriticalLucas Georges Ets
Priority claimed from EP85401192Aexternal-prioritypatent/EP0166653B1/en
Application grantedgrantedCritical
Publication of ATE46066T1publicationCriticalpatent/ATE46066T1/en