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 FI144172Aexternal-prioritypatent/FI49277C/sv
Application filed by Tampella Oy AbfiledCriticalTampella Oy Ab
Priority to FI322172ApriorityCriticalpatent/FI49697C/sv
Publication of FI49697BpublicationCriticalpatent/FI49697B/fi
Application grantedgrantedCritical
Publication of FI49697CpublicationCriticalpatent/FI49697C/sv