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 Harri Olavi Hallikainen, Osmo Aatos Tapani PursiainenfiledCriticalHarri Olavi Hallikainen
Priority to FI930221UpriorityCriticalpatent/FI1262U1/en
Publication of FIU930221U0publicationCriticalpatent/FIU930221U0/en
Application grantedgrantedCritical
Publication of FI1262U1publicationCriticalpatent/FI1262U1/en