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 Maria Ruettger-PellifiledCriticalMaria Ruettger-Pelli
Application grantedgrantedCritical
Publication of AT107690BpublicationCriticalpatent/AT107690B/de