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Priority claimed from JP63305005Aexternal-prioritypatent/JPH02150584A/ja
Application filed by Toto LtdfiledCriticalToto Ltd
Priority claimed from EP19890403308external-prioritypatent/EP0373037B1/de
Application grantedgrantedCritical
Publication of ATE94958T1publicationCriticalpatent/ATE94958T1/de