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发明名称
KUTTER.
摘要
申请公布号
NO870198(A)
申请公布日期
1987.07.20
申请号
NO19870000198
申请日期
1987.01.16
申请人
TRI-STATE OIL TOOL
发明人
HARVEY, HAROLD HARRY JR.;LYNDE, GERALD DAVID;WINTERROWD, KENNETH WALTER
分类号
E21B29/00;(IPC1-7):E21B/
主分类号
E21B29/00
代理机构
代理人
主权项
地址
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