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 DE1899121430Dexternal-prioritypatent/DE121430C/de
Application filed by Max Dr Fremery, Johann UrbanfiledCriticalMax Dr Fremery
Application grantedgrantedCritical
Publication of AT11879BpublicationCriticalpatent/AT11879B/de