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经营范围
发明名称
SUBSEA WIRELINE GREASE CONTROL SYSTEMS
摘要
申请公布号
GB9012736(D0)
申请公布日期
1990.08.01
申请号
GB19900012736
申请日期
1990.06.07
申请人
OTIS ENGINEERING CORPORATION
发明人
分类号
E21B33/076
主分类号
E21B33/076
代理机构
代理人
主权项
地址
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