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 Werner EnglerfiledCriticalWerner Engler
Priority to AT111866ApriorityCriticalpatent/AT268932B/de
Application grantedgrantedCritical
Publication of AT268932BpublicationCriticalpatent/AT268932B/de