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Application filed by Dan Bjarne NygrenfiledCriticalDan Bjarne Nygren
Priority to FI873329ApriorityCriticalpatent/FI78505C/en
Publication of FI873329A0publicationCriticalpatent/FI873329A0/en
Publication of FI873329ApublicationCriticalpatent/FI873329A/en
Application grantedgrantedCritical
Publication of FI78505BpublicationCriticalpatent/FI78505B/en
Publication of FI78505CpublicationCriticalpatent/FI78505C/en