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 FR7926873Aexternal-prioritypatent/FR2468768A1/fr
Priority claimed from FR8001502Aexternal-prioritypatent/FR2474606A2/fr
Application filed by Sulzer Constr MecanfiledCriticalSulzer Constr Mecan
Priority claimed from EP80401537Aexternal-prioritypatent/EP0028197B1/de
Application grantedgrantedCritical
Publication of ATE14606T1publicationCriticalpatent/ATE14606T1/de