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 CH813478Aexternal-prioritypatent/CH632172A5/en
Priority claimed from CH102979Aexternal-prioritypatent/CH635012A5/en
Priority claimed from CH118479Aexternal-prioritypatent/CH635013A5/en
Application filed by Concast Holding AgfiledCriticalConcast Holding Ag
Priority claimed from EP79102611Aexternal-prioritypatent/EP0008376B2/en
Application grantedgrantedCritical
Publication of ATE3250T1publicationCriticalpatent/ATE3250T1/en