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Application filed by Ahti PenttinenfiledCriticalAhti Penttinen
Priority to FI930129UpriorityCriticalpatent/FI728U1/fi
Publication of FIU930129U0publicationCriticalpatent/FIU930129U0/fi
Application grantedgrantedCritical
Publication of FI728U1publicationCriticalpatent/FI728U1/fi