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发明名称
Brönnpulsgiver
摘要
申请公布号
NO20022515(A)
申请公布日期
2002.05.28
申请号
NO20020002515
申请日期
2002.05.28
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
发明人
BRAITHWAITE, STEPHEN RICHARD;HEIJNEN, WILHELMUS HUBERTUS PAULUS MARIA
分类号
E21B4/06;E21B28/00;E21B41/00;E21B43/00;E21B43/16;(IPC1-7):E21B
主分类号
E21B4/06
代理机构
代理人
主权项
地址
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