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 Keijo Veli MentulafiledCriticalKeijo Veli Mentula
Priority to FI913361ApriorityCriticalpatent/FI913361A0/en
Publication of FI913361A0publicationCriticalpatent/FI913361A0/en