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发明名称
Mold
摘要
申请公布号
US1894511(A)
申请公布日期
1933.01.17
申请号
US19300473973
申请日期
1930.08.08
申请人
UNITED STATES METALS REFINING COMPANY
发明人
EPPENSTEINER WILLIAM F.
分类号
B22C21/06
主分类号
B22C21/06
代理机构
代理人
主权项
地址
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