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Application filed by Niels KristensenfiledCriticalNiels Kristensen
Priority to DK86682ApriorityCriticalpatent/DK147085C/en
Publication of DK86682ApublicationCriticalpatent/DK86682A/en
Publication of DK147085BpublicationCriticalpatent/DK147085B/en
Application grantedgrantedCritical
Publication of DK147085CpublicationCriticalpatent/DK147085C/en