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Application filed by Jukka MikkonenfiledCriticalJukka Mikkonen
Priority to FI854832ApriorityCriticalpatent/FI74801C/en
Publication of FI854832A0publicationCriticalpatent/FI854832A0/en
Publication of FI854832ApublicationCriticalpatent/FI854832A/en
Application grantedgrantedCritical
Publication of FI74801BpublicationCriticalpatent/FI74801B/en
Publication of FI74801CpublicationCriticalpatent/FI74801C/en