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经营范围
发明名称
BOHRGERAET.
摘要
申请公布号
DE58902374(D1)
申请公布日期
1992.11.05
申请号
DE19895002374
申请日期
1989.03.11
申请人
MASCHINENFABRIK RUDOLF HAUSHERR & SOEHNE GMBH & CO KG, 4322 SPROCKHOEVEL, DE
发明人
HAUSHERR, HEINRICH-RUDOLF, W-5810 WITTEN, DE;ECKEY, FRIEDHELM, W-4322 SPROCKHOEVEL 1, DE
分类号
E21B4/20;E21B7/02;E21B17/18;(IPC1-7):E21C1/06
主分类号
E21B4/20
代理机构
代理人
主权项
地址
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