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 Arvo Aulis TuhkanenfiledCriticalArvo Aulis Tuhkanen
Priority to FI20010585ApriorityCriticalpatent/FI20010585A0/sv
Publication of FI20010585A0publicationCriticalpatent/FI20010585A0/sv