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 Arthur Ensmann, Karl VordereggerfiledCriticalArthur Ensmann
Priority to AT533365ApriorityCriticalpatent/AT253194B/de
Priority to CH852666Aprioritypatent/CH444443A/de
Application grantedgrantedCritical
Publication of AT253194BpublicationCriticalpatent/AT253194B/de