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Application filed by Mikko Johannes IhamuotilafiledCriticalMikko Johannes Ihamuotila
Priority to FI893179ApriorityCriticalpatent/FI82190C/en
Publication of FI893179A0publicationCriticalpatent/FI893179A0/en
Application grantedgrantedCritical
Publication of FI82190BpublicationCriticalpatent/FI82190B/en
Publication of FI82190CpublicationCriticalpatent/FI82190C/en