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Priority claimed from JP11662784Aexternal-prioritypatent/JPS60260452A/en
Priority claimed from JP14323984Aexternal-prioritypatent/JPS6126538A/en
Application filed by Onoda Cement Co LtdfiledCriticalOnoda Cement Co Ltd
Priority claimed from EP85106239Aexternal-prioritypatent/EP0164618B1/en
Application grantedgrantedCritical
Publication of ATE41408T1publicationCriticalpatent/ATE41408T1/en