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 Kaarlo MertaniemifiledCriticalKaarlo Mertaniemi
Priority to FI912369ApriorityCriticalpatent/FI88103C/fi
Publication of FI912369A0publicationCriticalpatent/FI912369A0/fi
Publication of FI88103BpublicationCriticalpatent/FI88103B/fi
Application grantedgrantedCritical
Publication of FI88103CpublicationCriticalpatent/FI88103C/fi