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Application filed by Pentti KarhifiledCriticalPentti Karhi
Priority to FI701458ApriorityCriticalpatent/FI45131C/fi
Priority to SE7106730Aprioritypatent/SE372222B/xx
Publication of FI45131BpublicationCriticalpatent/FI45131B/fi
Application grantedgrantedCritical
Publication of FI45131CpublicationCriticalpatent/FI45131C/fi