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Priority to JP12504076ApriorityCriticalpatent/JPS5351629A/ja
Publication of JPS5351629ApublicationCriticalpatent/JPS5351629A/ja
Publication of JPS5428218B2publicationCriticalpatent/JPS5428218B2/ja
JP12504076A1976-10-201976-10-20Method of burying construction of water catchment and drainage device in joint of concrete placing and its device
GrantedJPS5351629A
(en)