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Priority claimed from GB858505784Aexternal-prioritypatent/GB8505784D0/en
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Application filed by Procter & GamblefiledCriticalProcter & Gamble
Priority claimed from EP86301500Aexternal-prioritypatent/EP0197649B1/de
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Publication of ATE53231T1publicationCriticalpatent/ATE53231T1/de