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 DE1901138596Dexternal-prioritypatent/DE138596C/de
Application filed by Friedrich Guitton De S QuentinfiledCriticalFriedrich Guitton De S Quentin
Application grantedgrantedCritical
Publication of AT13603BpublicationCriticalpatent/AT13603B/de