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经营范围
发明名称
Ferrous alloy
摘要
申请公布号
GB644325(A)
申请公布日期
1950.10.11
申请号
GB19470020836
申请日期
1947.07.31
申请人
COAST METALS, INC.
发明人
分类号
C22C37/08
主分类号
C22C37/08
代理机构
代理人
主权项
地址
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