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经营范围
发明名称
Magnetic well cleaning apparatus
摘要
申请公布号
GB9912666(D0)
申请公布日期
1999.07.28
申请号
GB19990012666
申请日期
1999.05.29
申请人
SPECIALISED PETROLEUM SERVICES LIMITED
发明人
分类号
B08B9/04;E21B31/06
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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