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经营范围
发明名称
Hydraulisk portkrage
摘要
申请公布号
NO941509(A)
申请公布日期
1994.10.28
申请号
NO19940001509
申请日期
1994.04.26
申请人
CTC INTERNATIONAL CORP
发明人
BROOKS, ROBERT T.
分类号
E21B33/127;E21B33/14;E21B34/10;(IPC1-7):E21B33/14
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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