TREATMENT OF MANDREL BAR FOR ROLLING STEEL PIPE,申请号JP19860164746-传众专利搜索

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发明名称	TREATMENT OF MANDREL BAR FOR ROLLING STEEL PIPE
摘要
申请公布号	JPS6320105(A)	申请公布日期	1988.01.27
申请号	JP19860164746	申请日期	1986.07.15
申请人	NIPPON STEEL CORP	发明人	SOGO YASUO;YAGI AKIRA;KOISHIHARA MASAHIRO
分类号	B21B25/00	主分类号	B21B25/00
代理机构		代理人
主权项
地址

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