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经营范围
发明名称
IMPROVEMENTS IN AND RELATING TO OILFIELD CONTROLS
摘要
申请公布号
GB9312818(D0)
申请公布日期
1993.08.04
申请号
GB19930012818
申请日期
1993.06.22
申请人
PEARSON ROBERT C.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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