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Priority to JP12779676ApriorityCriticalpatent/JPS5353140A/ja
Publication of JPS5353140ApublicationCriticalpatent/JPS5353140A/ja
Publication of JPS5436409B2publicationCriticalpatent/JPS5436409B2/ja
JP12779676A1976-10-261976-10-26Segment type supporting holding device for sheet pile in steel insertingsystem tunnel excavation
GrantedJPS5353140A
(en)