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 DE3904960Aexternal-prioritypatent/DE3904960A1/en
Application filed by Finckh MaschffiledCriticalFinckh Maschf
Application grantedgrantedCritical
Publication of ATE92554T1publicationCriticalpatent/ATE92554T1/en