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Application filed by Paavo KontinenfiledCriticalPaavo Kontinen
Priority to FI850522ApriorityCriticalpatent/FI78252C/en
Publication of FI850522A0publicationCriticalpatent/FI850522A0/en
Publication of FI850522LpublicationCriticalpatent/FI850522L/en
Application grantedgrantedCritical
Publication of FI78252BpublicationCriticalpatent/FI78252B/en
Publication of FI78252CpublicationCriticalpatent/FI78252C/en