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发明名称
Well torpedo firing heads
摘要
申请公布号
US2885959(A)
申请公布日期
1959.05.12
申请号
US19520311726
申请日期
1952.09.26
申请人
TOLAND GAYLE E
发明人
TOLAND GAYLE E.
分类号
E21B43/1185;E21B43/263
主分类号
E21B43/1185
代理机构
代理人
主权项
地址
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