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 Antero Salow, Ari Olavi SiekkinenfiledCriticalHarri Antero Salow
Priority to FI940033UpriorityCriticalpatent/FI1506U1/fi
Publication of FIU940033U0publicationCriticalpatent/FIU940033U0/fi
Application grantedgrantedCritical
Publication of FI1506U1publicationCriticalpatent/FI1506U1/fi