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Application filed by Albert HedegaardfiledCriticalAlbert Hedegaard
Priority to DK122180ApriorityCriticalpatent/DK149682C/da
Publication of DK122180ApublicationCriticalpatent/DK122180A/da
Publication of DK149682BpublicationCriticalpatent/DK149682B/da
Application grantedgrantedCritical
Publication of DK149682CpublicationCriticalpatent/DK149682C/da