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Application filed by Delavan Manufacturing CofiledCriticalDelavan Manufacturing Co
Priority to DK316972ApriorityCriticalpatent/DK137313B/da
Publication of DK137313BpublicationCriticalpatent/DK137313B/da
Application grantedgrantedCritical
Publication of DK137313CpublicationCriticalpatent/DK137313C/da