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 LU83550Aexternal-prioritypatent/LU83550A1/en
Priority claimed from LU83763Aexternal-prioritypatent/LU83763A1/en
Application filed by Paul MetzfiledCriticalPaul Metz
Priority claimed from EP19820630068external-prioritypatent/EP0072769B1/en
Application grantedgrantedCritical
Publication of ATE25314T1publicationCriticalpatent/ATE25314T1/en