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发明名称
High pressure ball valve seal assembly
摘要
申请公布号
GB0807266(D0)
申请公布日期
2008.05.28
申请号
GB20080007266
申请日期
2006.09.28
申请人
BAKER HUGHES INCORPORATED
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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