Improvements in process of rolling metal sheets,申请号GB19290029601-传众专利搜索

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发明名称	Improvements in process of rolling metal sheets
摘要
申请公布号	GB331448(A)	申请公布日期	1930.07.03
申请号	GB19290029601	申请日期	1929.09.30
申请人	WILLIAM STRINGHAM	发明人
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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