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发明名称
Chilled metal mold casting
摘要
申请公布号
US2052921(A)
申请公布日期
1936.09.01
申请号
US19350000146
申请日期
1935.01.02
申请人
DOCKRAY CHARLES J;DOCKRAY HARRY J
发明人
DOCKRAY CHARLES J.;DOCKRAY HARRY J.
分类号
B22D15/00
主分类号
B22D15/00
代理机构
代理人
主权项
地址
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