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 DE19702031394external-prioritypatent/DE2031394A1/en
Application filed by Becker OfiledCriticalBecker O
Application grantedgrantedCritical
Publication of AR198775A1publicationCriticalpatent/AR198775A1/en