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Application filed by Pekka Pellervo Miettinen, Matti Metsaemaa, Markku JuvonenfiledCriticalPekka Pellervo Miettinen
Priority to FI950050UpriorityCriticalpatent/FI1969U1/fi
Publication of FIU950050U0publicationCriticalpatent/FIU950050U0/fi
Application grantedgrantedCritical
Publication of FI1969U1publicationCriticalpatent/FI1969U1/fi