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Application filed by Albert HedegaardfiledCriticalAlbert Hedegaard
Priority to DK105195ApriorityCriticalpatent/DK173769B1/da
Publication of DK105195ApublicationCriticalpatent/DK105195A/da
Application grantedgrantedCritical
Publication of DK173769B1publicationCriticalpatent/DK173769B1/da