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Application filed by Osvald Pedersen, Ingenioer Johannes MadsenfiledCriticalOsvald Pedersen
Priority to DK27577ApriorityCriticalpatent/DK139651B/da
Publication of DK27577ApublicationCriticalpatent/DK27577A/da
Publication of DK139651BpublicationCriticalpatent/DK139651B/da
Application grantedgrantedCritical
Publication of DK139651CpublicationCriticalpatent/DK139651C/da