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Priority claimed from FI935266Aexternal-prioritypatent/FI935266A0/fi
Application filed by Pekka Pellervo Miettinen, Matti Eino MetsaemaafiledCriticalPekka Pellervo Miettinen
Priority to FI940575UpriorityCriticalpatent/FI1906U1/fi
Publication of FIU940575U0publicationCriticalpatent/FIU940575U0/fi
Application grantedgrantedCritical
Publication of FI1906U1publicationCriticalpatent/FI1906U1/fi