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
Priority claimed from CH133778Aexternal-prioritypatent/CH626539A5/de
Application filed by Zeiler Gustav AfiledCriticalZeiler Gustav A
Publication of IT7919992A0publicationCriticalpatent/IT7919992A0/it
Application grantedgrantedCritical
Publication of IT1112162BpublicationCriticalpatent/IT1112162B/it