Rolling mill bar twisting apparatus,申请号US19640389032-传众专利搜索

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发明名称	Rolling mill bar twisting apparatus
摘要
申请公布号	US3344642(A)	申请公布日期	1967.10.03
申请号	US19640389032	申请日期	1964.08.12
申请人	BETHLEHEM STEEL CORPORATION	发明人	WEIGLE RUSSELL M.
分类号	B21B39/28	主分类号	B21B39/28
代理机构		代理人
主权项
地址

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