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Priority claimed from DE1603841Aexternal-prioritypatent/DE1603841C3/de
Priority claimed from DK357868Aexternal-prioritypatent/DK135218C/da
Application filed by Fl Hilti AgfiledCriticalFl Hilti Ag
Priority to DK664769ApriorityCriticalpatent/DK136917B/da
Publication of DK136917BpublicationCriticalpatent/DK136917B/da
Application grantedgrantedCritical
Publication of DK136917CpublicationCriticalpatent/DK136917C/da