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Application filed by Bent JoergensenfiledCriticalBent Joergensen
Priority to DK173481ApriorityCriticalpatent/DK146863C/da
Publication of DK173481ApublicationCriticalpatent/DK173481A/da
Publication of DK146863BpublicationCriticalpatent/DK146863B/da
Application grantedgrantedCritical
Publication of DK146863CpublicationCriticalpatent/DK146863C/da