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 Mayer & CofiledCriticalMayer & Co
Priority to AT643059ApriorityCriticalpatent/AT213739B/en
Application grantedgrantedCritical
Publication of AT213739BpublicationCriticalpatent/AT213739B/en