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 Jules Chaligne-MassardfiledCriticalJules Chaligne-Massard
Application grantedgrantedCritical
Publication of AT12938BpublicationCriticalpatent/AT12938B/de