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 Heikki LamppulafiledCriticalHeikki Lamppula
Priority to FI940120UpriorityCriticalpatent/FI1362U1/fi
Publication of FIU940120U0publicationCriticalpatent/FIU940120U0/fi
Application grantedgrantedCritical
Publication of FI1362U1publicationCriticalpatent/FI1362U1/fi