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Application filed by Lund Mohr & Giaever EngerfiledCriticalLund Mohr & Giaever Enger
Priority to FI196573ApriorityCriticalpatent/FI54778C/en
Publication of FI196573ApublicationCriticalpatent/FI196573A/fi
Publication of FI54778BpublicationCriticalpatent/FI54778B/en
Application grantedgrantedCritical
Publication of FI54778CpublicationCriticalpatent/FI54778C/en