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Application filed by J W GardnerfiledCriticalJ W Gardner
Priority to DK264176ApriorityCriticalpatent/DK141476B/da
Publication of DK264176ApublicationCriticalpatent/DK264176A/da
Publication of DK141476BpublicationCriticalpatent/DK141476B/da
Application grantedgrantedCritical
Publication of DK141476CpublicationCriticalpatent/DK141476C/da