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 Erkki JaervinenfiledCriticalErkki Jaervinen
Priority to FI920523UpriorityCriticalpatent/FI428U1/en
Publication of FIU920523U0publicationCriticalpatent/FIU920523U0/en
Application grantedgrantedCritical
Publication of FI428U1publicationCriticalpatent/FI428U1/en