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 FI680299Aexternal-prioritypatent/FI48854C/en
Application filed by Int Nickel CanadafiledCriticalInt Nickel Canada
Application grantedgrantedCritical
Publication of FI56399BpublicationCriticalpatent/FI56399B/en
Publication of FI56399CpublicationCriticalpatent/FI56399C/en