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 Twaroch Heinz WfiledCriticalTwaroch Heinz W
Priority to AT12794ApriorityCriticalpatent/AT405242B/de
Publication of ATA12794ApublicationCriticalpatent/ATA12794A/de
Application grantedgrantedCritical
Publication of AT405242BpublicationCriticalpatent/AT405242B/de