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Application filed by Gadan Dev A SfiledCriticalGadan Dev A S
Priority to DK54886ApriorityCriticalpatent/DK156105C/da
Publication of DK54886D0publicationCriticalpatent/DK54886D0/da
Publication of DK54886ApublicationCriticalpatent/DK54886A/da
Publication of DK156105BpublicationCriticalpatent/DK156105B/da
Application grantedgrantedCritical
Publication of DK156105CpublicationCriticalpatent/DK156105C/da
"dispositivo para la distribucion del agua sobre un filtro con relleno de materiales granulares y para la recuperacion del agua de lavado de dicho filtro".