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经营范围
发明名称
Ferrous alloy
摘要
申请公布号
US1946130(A)
申请公布日期
1934.02.06
申请号
US19310551547
申请日期
1931.07.17
申请人
FIRTH-STERLING STEEL COMPANY
发明人
COMSTOCK GREGORY J.
分类号
C21C7/00
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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