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 Manfred LangefiledCriticalManfred Lange
Priority to FI773608ApriorityCriticalpatent/FI56094C/en
Publication of FI773608ApublicationCriticalpatent/FI773608A/en
Application grantedgrantedCritical
Publication of FI56094BpublicationCriticalpatent/FI56094B/en
Publication of FI56094CpublicationCriticalpatent/FI56094C/en