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发明名称
Verfahren zur Herstellung von Horizontalbohrungen für Grundwasserfassungen und Bohrmaschine zur Ausübung des Verfahrens.
摘要
申请公布号
CH277225(A)
申请公布日期
1951.08.31
申请号
CHD277225
申请日期
1948.09.30
申请人
GEBHARDT & KOENIG DEUTSCHE SCHACHTBAU GMBH.
发明人
GEBHARDT & KOENIG DEUTSCHE SCHACHTBAU GMBH.
分类号
E03B3/11
主分类号
E03B3/11
代理机构
代理人
主权项
地址
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