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发明名称
DEVICE FOR COOLING THE PICKS OF THE CUTTING TOOLS OF A CUTTING MACHINE AND THE EXCAVATION FACE AND FOR PREVENTING THE FORMATION OF DUST
摘要
申请公布号
EP0010534(B1)
申请公布日期
1982.07.21
申请号
EP19790890023
申请日期
1979.07.30
申请人
VOEST-ALPINE AKTIENGESELLSCHAFT
发明人
ZITZ, ALFRED;SCHETINA, OTTO, DIPL.-ING.;WRULICH, HERWIG
分类号
E21D9/10;E21B19/24;E21C35/187;E21C35/22;(IPC1-7):21C35/00;21C35/22
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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