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发明名称
BOHRLOCHNEIGUNGSMESSGERAET
摘要
申请公布号
DD143644(A1)
申请公布日期
1980.09.03
申请号
DD19770199370
申请日期
1977.06.08
申请人
HABEDANK,DIETMAR,DD;SCHMALFELD,VINZENZ,DD
发明人
HABEDANK,DIETMAR,DD;SCHMALFELD,VINZENZ,DD
分类号
E21B47/02;(IPC1-7):E21B47/02
主分类号
E21B47/02
代理机构
代理人
主权项
地址
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