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 Rotator OyfiledCriticalRotator Oy
Priority to FI770613ApriorityCriticalpatent/FI55801C/en
Publication of FI770613ApublicationCriticalpatent/FI770613A/en
Application grantedgrantedCritical
Publication of FI55801BpublicationCriticalpatent/FI55801B/en
Publication of FI55801CpublicationCriticalpatent/FI55801C/en