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发明名称
Trépan à injection de fluide de forage
摘要
申请公布号
FR1257543(A)
申请公布日期
1961.03.31
申请号
FR19600828153
申请日期
1960.05.24
申请人
CHICAGO PNEUMATIC TOOL COMPANY
发明人
分类号
E21B10/18
主分类号
E21B10/18
代理机构
代理人
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地址
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