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经营范围
发明名称
Underwater tool
摘要
申请公布号
GB0017484(D0)
申请公布日期
2000.08.30
申请号
GB20000017484
申请日期
2000.07.17
申请人
BSW LIMITED
发明人
分类号
E21B31/20;F16L55/132
主分类号
E21B31/20
代理机构
代理人
主权项
地址
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