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Application filed by O R SchmidtfiledCriticalO R Schmidt
Priority to DK685574ApriorityCriticalpatent/DK141137B/da
Publication of DK685574ApublicationCriticalpatent/DK685574A/da
Publication of DK141137BpublicationCriticalpatent/DK141137B/da
Application grantedgrantedCritical
Publication of DK141137CpublicationCriticalpatent/DK141137C/da