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Priority to JP5716372ApriorityCriticalpatent/JPS51113330A/ja
Publication of JPS51113330ApublicationCriticalpatent/JPS51113330A/ja
Publication of JPS5246017B2publicationCriticalpatent/JPS5246017B2/ja
JP5716372A1972-06-081972-06-08System of piping dam that will be distributed and constructed over whole japan in order and its structure
GrantedJPS51113330A
(en)
