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 E KnuutilafiledCriticalKaarlo E Knuutila
Priority to FI762071ApriorityCriticalpatent/FI762071A7/fi
Publication of FI762071A7publicationCriticalpatent/FI762071A7/fi