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发明名称
Elastomerisk stigerörstrekkanordning
摘要
申请公布号
NO962531(A)
申请公布日期
1996.12.27
申请号
NO19960002531
申请日期
1996.06.14
申请人
CONTINENTAL EMSCO CO
发明人
ARLT III, EDWARD JOSEPH
分类号
E21B19/00;E21B19/09;(IPC1-7):E21B19/09
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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