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
Application filed by Hans KupferschmidfiledCriticalHans Kupferschmid
Application grantedgrantedCritical
Publication of AT36404BpublicationCriticalpatent/AT36404B/en