Treatment of steel sheets,申请号US19290395222-传众专利搜索

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发明名称	Treatment of steel sheets
摘要
申请公布号	US1854629(A)	申请公布日期	1932.04.19
申请号	US19290395222	申请日期	1929.09.26
申请人	ALLEGHENY STEEL COMPANY	发明人	SHELDON HARRY E.
分类号	C21D8/12;C21D9/46	主分类号	C21D8/12
代理机构		代理人
主权项
地址

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