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经营范围
发明名称
Kontinuerlig styresystem for gruvedrift- eller tunnelmaskin
摘要
申请公布号
NO973636(A)
申请公布日期
1997.10.06
申请号
NO19970003636
申请日期
1997.08.06
申请人
ADVANCED TECHNOLOGY FOR ROCK EXCAVATION INC
发明人
SMITH, HERBERT A.;HAYES, JACK R.
分类号
E21B7/02;E21B15/00;E21B19/08;E21C35/24;E21D9/10;(IPC1-7):E21D9/10
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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