Continuous tube or bar rolling mill,申请号US19360099644-传众专利搜索

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发明名称	Continuous tube or bar rolling mill
摘要
申请公布号	US2140414(A)	申请公布日期	1938.12.13
申请号	US19360099644	申请日期	1936.09.05
申请人	BENJAMIN BROWNSTEIN	发明人	BROWNSTEIN BENJAMIN
分类号	B21B1/18;B21B17/04	主分类号	B21B1/18
代理机构		代理人
主权项
地址

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