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发明名称
Firing mechanism for gun perforating
摘要
申请公布号
US2540184(A)
申请公布日期
1951.02.06
申请号
US19450593445
申请日期
1945.05.12
申请人
BROYLES OTIS T
发明人
BROYLES OTIS T.
分类号
E21B43/116
主分类号
E21B43/116
代理机构
代理人
主权项
地址
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