Method of rolling metal sheets,申请号US19330658569-传众专利搜索

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发明名称	Method of rolling metal sheets
摘要
申请公布号	US2021328(A)	申请公布日期	1935.11.19
申请号	US19330658569	申请日期	1933.02.25
申请人	JONES & LAUGHLIN STEEL CORPORATION	发明人	RENDLEMAN NORMAN C.
分类号	B21B1/38	主分类号	B21B1/38
代理机构		代理人
主权项
地址

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