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Application filed by Ossi Kullervo Sivonen, Pertti Kalevi RainiofiledCriticalOssi Kullervo Sivonen
Priority to FI980260UpriorityCriticalpatent/FI4070U1/en
Publication of FIU980260U0publicationCriticalpatent/FIU980260U0/en
Application grantedgrantedCritical
Publication of FI4070U1publicationCriticalpatent/FI4070U1/en