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Application filed by Lahden Rautateollisuus OyfiledCriticalLahden Rautateollisuus Oy
Priority to FI2593/73ApriorityCriticalpatent/FI55463C/fi
Publication of FI259373A7publicationCriticalpatent/FI259373A7/fi
Application grantedgrantedCritical
Publication of FI55463BpublicationCriticalpatent/FI55463B/fi
Publication of FI55463CpublicationCriticalpatent/FI55463C/fi