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Priority claimed from IT4480779Aexternal-prioritypatent/IT1214880B/it
Priority claimed from IT4480679Aexternal-prioritypatent/IT1212379B/it
Application filed by Masco CorporationfiledCriticalMasco Corporation
Priority claimed from EP19800200393external-prioritypatent/EP0019952B1/de
Application grantedgrantedCritical
Publication of ATE8526T1publicationCriticalpatent/ATE8526T1/de