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Priority to JP3051676ApriorityCriticalpatent/JPS52112968A/ja
Publication of JPS52112968ApublicationCriticalpatent/JPS52112968A/ja
Publication of JPS5539485B2publicationCriticalpatent/JPS5539485B2/ja
JP3051676A1976-03-191976-03-19Device for preventing noise and surface scratch of steel pipe and roun d steel from occurring upon conveying
GrantedJPS52112968A
(en)