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Priority claimed from JP59221320Aexternal-prioritypatent/JPS61101732A/en
Priority claimed from JP60035286Aexternal-prioritypatent/JPS61195221A/en
Application filed by Shimizu Construction Co LtdfiledCriticalShimizu Construction Co Ltd
Priority claimed from EP85113453Aexternal-prioritypatent/EP0180139B1/en
Application grantedgrantedCritical
Publication of ATE43706T1publicationCriticalpatent/ATE43706T1/en