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发明名称
GESTEINSBOHRGERÄT MIT HYDRAULISCHEM ANTRIEB IM BOHRLOCH
摘要
申请公布号
DE69024978(D1)
申请公布日期
1996.02.29
申请号
DE19906024978
申请日期
1990.07.12
申请人
G-DRILL AB, STOCKHOLM, SE
发明人
GUSTAFSSON, PER, CH-1009 PULLY, CH
分类号
B25D9/12;B25D9/16;E21B4/14;(IPC1-7):E21B4/14
主分类号
B25D9/12
代理机构
代理人
主权项
地址
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