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Priority claimed from IT8767093Aexternal-prioritypatent/IT1206907B/it
Priority claimed from IT8767966Aexternal-prioritypatent/IT1211521B/it
Application filed by Unilever NvfiledCriticalUnilever Nv
Priority claimed from EP19880301108external-prioritypatent/EP0278744B2/de
Application grantedgrantedCritical
Publication of ATE92750T1publicationCriticalpatent/ATE92750T1/de