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经营范围
发明名称
Pig mold
摘要
申请公布号
US2439875(A)
申请公布日期
1948.04.20
申请号
US19470725180
申请日期
1947.01.30
申请人
CARNEGIE-ILLINOIS STEEL CORPORATION
发明人
STEUDEL GEORGE E.
分类号
B22C9/06;B22D5/04
主分类号
B22C9/06
代理机构
代理人
主权项
地址
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