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经营范围
发明名称
Fluidsirkulasjonsapparat
摘要
申请公布号
NO952727(D0)
申请公布日期
1995.07.10
申请号
NO19950002727
申请日期
1995.07.10
申请人
CAMCO INTERNATIONAL INC
发明人
ROTH, BRIAN A.
分类号
E21B21/10;E21B34/10;(IPC1-7):E21B
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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