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Filing date
Publication date
Application filed by E MiettinenfiledCriticalE Miettinen
Priority to FI126268ApriorityCriticalpatent/FI40814B/fi
Priority to SE6902500Aprioritypatent/SE388723B/xx
Priority to GB1256567Dprioritypatent/GB1256567A/en
Priority to NO79269Aprioritypatent/NO127219B/no
Application grantedgrantedCritical
Publication of FI40814BpublicationCriticalpatent/FI40814B/fi