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发明名称
VANNBASERT BORESLAM
摘要
申请公布号
NO922248(D0)
申请公布日期
1992.06.05
申请号
NO19920002248
申请日期
1992.06.05
申请人
PHILLIPS PETROLEUM COMPANY
发明人
STEPHENS, MICHAEL;SWANSON, BILL LARS
分类号
C09K;(IPC1-7):C09K/
主分类号
C09K
代理机构
代理人
主权项
地址
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