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 Fuernsinn & Co K GfiledCriticalFuernsinn & Co K G
Application grantedgrantedCritical
Publication of AT177047BpublicationCriticalpatent/AT177047B/de