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Application filed by Gustaf CabellfiledCriticalGustaf Cabell
Priority to FI812140ApriorityCriticalpatent/FI73717C/fi
Publication of FI812140LpublicationCriticalpatent/FI812140L/fi
Publication of FI73717BpublicationCriticalpatent/FI73717B/fi
Application grantedgrantedCritical
Publication of FI73717CpublicationCriticalpatent/FI73717C/fi