Vertical rolling mill,申请号US19450597770-传众专利搜索

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发明名称	Vertical rolling mill
摘要
申请公布号	US2491286(A)	申请公布日期	1949.12.13
申请号	US19450597770	申请日期	1945.06.06
申请人	MORGAN CONSTRUCTION COMPANY	发明人	SHEPERDSON JOHN W.;O'MALLEY JOSEPH M.
分类号	B21B13/06	主分类号	B21B13/06
代理机构		代理人
主权项
地址

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