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 M Antila, K Lampi, R LeimufiledCriticalM Antila
Priority to FI122560ApriorityCriticalpatent/FI45818C/fi
Publication of FI45818BpublicationCriticalpatent/FI45818B/fi
Application grantedgrantedCritical
Publication of FI45818CpublicationCriticalpatent/FI45818C/fi