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发明名称
Casting metals
摘要
申请公布号
US2312796(A)
申请公布日期
1943.03.02
申请号
US19410416684
申请日期
1941.10.27
申请人
CAMPBELL DONALD J
发明人
CAMPBELL DONALD J.
分类号
B22D15/02
主分类号
B22D15/02
代理机构
代理人
主权项
地址
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