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 Kauko Vihtori LaehdevirtafiledCriticalKauko Vihtori Laehdevirta
Priority to FI830180ApriorityCriticalpatent/FI830180A0/fi
Publication of FI830180A0publicationCriticalpatent/FI830180A0/fi