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Priority to JP16254278ApriorityCriticalpatent/JPS5591934A/ja
Publication of JPS5591934ApublicationCriticalpatent/JPS5591934A/ja
Publication of JPS5721010B2publicationCriticalpatent/JPS5721010B2/ja
JP16254278A1978-12-301978-12-30Preparation of composite structure high tension hot rolled steel sheet having high ductility and low yield ratio characteristic
GrantedJPS5591934A
(en)