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经营范围
发明名称
Treatment of steel sheets
摘要
申请公布号
US1854628(A)
申请公布日期
1932.04.19
申请号
US19290395221
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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