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发明名称
MOTORISCH BETRIEBENER BOHRHAMMER
摘要
申请公布号
DE7821922(U1)
申请公布日期
1980.05.22
申请号
DE19780021922U
申请日期
1978.07.21
申请人
HILTI AG, SCHAAN (LIECHTENSTEIN)
发明人
分类号
E21B1/30;(IPC1-7):E21C3/24
主分类号
E21B1/30
代理机构
代理人
主权项
地址
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