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Publication date
Priority claimed from FI860798Aexternal-prioritypatent/FI75977B/en
Priority claimed from FI870120Aexternal-prioritypatent/FI77358C/en
Application filed by BestafiledCriticalBesta
Priority to FI875646ApriorityCriticalpatent/FI78225C/en
Publication of FI875646ApublicationCriticalpatent/FI875646A/en
Publication of FI875646A0publicationCriticalpatent/FI875646A0/en
Publication of FI78225BpublicationCriticalpatent/FI78225B/en
Application grantedgrantedCritical
Publication of FI78225CpublicationCriticalpatent/FI78225C/en