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发明名称
Jet gun
摘要
申请公布号
US2916991(A)
申请公布日期
1959.12.15
申请号
US19540449167
申请日期
1954.08.11
申请人
THE WESTERN COMPANY
发明人
GILBERT BRUCE
分类号
E21B43/117
主分类号
E21B43/117
代理机构
代理人
主权项
地址
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