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Application filed by Sulo Alarik LehtinenfiledCriticalSulo Alarik Lehtinen
Priority to FI824266ApriorityCriticalpatent/FI73331C/en
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Publication of FI824266LpublicationCriticalpatent/FI824266L/en
Application grantedgrantedCritical
Publication of FI73331BpublicationCriticalpatent/FI73331B/en
Publication of FI73331CpublicationCriticalpatent/FI73331C/en