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 Pekka Untamo HeinofiledCriticalPekka Untamo Heino
Priority to FI935162ApriorityCriticalpatent/FI935162A0/en
Publication of FI935162A0publicationCriticalpatent/FI935162A0/en