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 Tirolia Werke Heiss J & Co KgfiledCriticalTirolia Werke Heiss J & Co Kg
Application grantedgrantedCritical
Publication of AT198471BpublicationCriticalpatent/AT198471B/de