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发明名称
Ekspanderbar brönnsikt
摘要
申请公布号
NO995248(D0)
申请公布日期
1999.10.27
申请号
NO19990005248
申请日期
1999.10.27
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV
发明人
DONNELLY, MARTIN
分类号
E21B43/08;E21B43/10;(IPC1-7):E21B
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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