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 Suominen Heikki SfiledCriticalSuominen Heikki S
Priority to FI72566ApriorityCriticalpatent/FI45739C/fi
Application grantedgrantedCritical
Publication of FI45739BpublicationCriticalpatent/FI45739B/fi
Publication of FI45739CpublicationCriticalpatent/FI45739C/fi