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Application filed by Pertti Kalevi HarviafiledCriticalPertti Kalevi Harvia
Priority to FI930044UpriorityCriticalpatent/FI670U1/fi
Publication of FIU930044U0publicationCriticalpatent/FIU930044U0/fi
Application grantedgrantedCritical
Publication of FI670U1publicationCriticalpatent/FI670U1/fi