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 FI0060/63Aexternal-prioritypatent/FI42259B/fi
Application filed by Svenska Flaektfabriken AbfiledCriticalSvenska Flaektfabriken Ab
Publication of FI54397BpublicationCriticalpatent/FI54397B/en
Application grantedgrantedCritical
Publication of FI54397CpublicationCriticalpatent/FI54397C/en