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发明名称
RUNNING AND PULLING TOOL
摘要
申请公布号
GB9007030(D0)
申请公布日期
1990.05.30
申请号
GB19900007030
申请日期
1990.03.29
申请人
OTIS ENGINEERING CORPORATION
发明人
分类号
E21B23/02;E21B31/20
主分类号
E21B23/02
代理机构
代理人
主权项
地址
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