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发明名称
Casting method
摘要
申请公布号
US2548353(A)
申请公布日期
1951.04.10
申请号
US19490078347
申请日期
1949.02.25
申请人
MELPAR, INC.
发明人
CUNNINGHAM RUSSELL E.
分类号
H01J5/08
主分类号
H01J5/08
代理机构
代理人
主权项
地址
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