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Application filed by Vainionpaeae Pentti WfiledCriticalVainionpaeae Pentti W
Priority to FI791886ApriorityCriticalpatent/FI58382C/en
Publication of FI58382BpublicationCriticalpatent/FI58382B/en
Application grantedgrantedCritical
Publication of FI58382CpublicationCriticalpatent/FI58382C/en