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经营范围
发明名称
Cable protection apparatus
摘要
申请公布号
GB0115879(D0)
申请公布日期
2001.08.22
申请号
GB20010015879
申请日期
2001.06.29
申请人
POLYOIL LIMITED
发明人
分类号
E21B17/02;E21B17/10
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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