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经营范围
发明名称
Outil de forage
摘要
申请公布号
FR1014097(A)
申请公布日期
1952.08.08
申请号
FRD1014097
申请日期
1950.03.09
申请人
INGERSOLL-RAND COMPANY
发明人
分类号
E21B10/58
主分类号
E21B10/58
代理机构
代理人
主权项
地址
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