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 Lehtikanta OyfiledCriticalLehtikanta Oy
Priority to FI844090ApriorityCriticalpatent/FI74074C/fi
Publication of FI844090A0publicationCriticalpatent/FI844090A0/fi
Publication of FI844090LpublicationCriticalpatent/FI844090L/fi
Publication of FI74074BpublicationCriticalpatent/FI74074B/fi
Application grantedgrantedCritical
Publication of FI74074CpublicationCriticalpatent/FI74074C/fi