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发明名称
DRILL JIG
摘要
申请公布号
HUT57374(A)
申请公布日期
1991.11.28
申请号
HU19890001820
申请日期
1989.03.11
申请人
RUDOLF HAUSHERR UND SOEHNE GMBH. UND CO. KG,DE
发明人
HAUSHERR,HEINRICH RUDOLF,DE;ECKEY,FIEDHELM,DE
分类号
E21B1/00;E21B1/26;E21B3/025;E21B4/20;E21B7/02;E21B17/10;(IPC1-7):E21C1/06;E21B17/18
主分类号
E21B1/00
代理机构
代理人
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