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 Juhani Niinivaara, Ossi NiinivaarafiledCriticalJuhani Niinivaara
Priority to FI885088ApriorityCriticalpatent/FI885088A7/en
Publication of FI885088A0publicationCriticalpatent/FI885088A0/en
Publication of FI885088A7publicationCriticalpatent/FI885088A7/en