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Application filed by F B KroellfiledCriticalF B Kroell
Priority to DK175281ApriorityCriticalpatent/DK149056C/da
Publication of DK175281ApublicationCriticalpatent/DK175281A/da
Publication of DK149056BpublicationCriticalpatent/DK149056B/da
Application grantedgrantedCritical
Publication of DK149056CpublicationCriticalpatent/DK149056C/da