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发明名称
APPARAT FOR MAALING AV BOREPARAMETRE.
摘要
申请公布号
NO880600(A)
申请公布日期
1988.08.15
申请号
NO19880000600
申请日期
1988.02.11
申请人
COOPER INDUSTRIES INC
发明人
SEILER, DALE LOUIS
分类号
E21B45/00;G01B7/00;G01B7/04;G01B7/26;(IPC1-7):E21B45/00
主分类号
E21B45/00
代理机构
代理人
主权项
地址
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