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 DE19782828121external-prioritypatent/DE2828121A1/de
Application filed by Firma Jos. ZimmermannfiledCriticalFirma Jos. Zimmermann
Application grantedgrantedCritical
Publication of ATE5185T1publicationCriticalpatent/ATE5185T1/de