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发明名称
Vorrichtung zum Vortreiben von horizontalen Erdbohrloechern
摘要
申请公布号
DE612645(C)
申请公布日期
1935.04.30
申请号
DENDATA072358D
申请日期
申请人
ATG ALLGEMEINE TRANSPORTANLAGEN-GESELLSCHAFT M.B.H.;ATG ALLGEMEINE TRANSPORTANLAGEN-GESELLSCHAFT M.B.H.
发明人
分类号
E21B7/04
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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