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Priority to JP2047176ApriorityCriticalpatent/JPS52103825A/ja
Publication of JPS52103825ApublicationCriticalpatent/JPS52103825A/ja
Publication of JPS5745842B2publicationCriticalpatent/JPS5745842B2/ja
JP2047176A1976-02-251976-02-25Method of establishing dead water * sound absorbing member between plays of elevated road bridge * etc*
GrantedJPS52103825A
(en)