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Priority claimed from DK239589Aexternal-prioritypatent/DK239589D0/da
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Publication of NO914493LpublicationCriticalpatent/NO914493L/no
NO91914493A1989-05-171991-11-15Fremgangsmaate for samtidig rengjoerings- og hygienekontroll, og middel til anvendelse ved utfoerelse av fremgangsmaaten
NO914493L
(no)