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Priority claimed from GB858509345Aexternal-prioritypatent/GB8509345D0/en
Application filed by Hunter Douglas Ind BvfiledCriticalHunter Douglas Ind Bv
Priority claimed from EP85309508Aexternal-prioritypatent/EP0198982B1/de
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Publication of ATE41190T1publicationCriticalpatent/ATE41190T1/de