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发明名称
Bohrgeraet
摘要
申请公布号
DE913041(C)
申请公布日期
1954.06.08
申请号
DE1952D011869
申请日期
1952.03.21
申请人
DIPL.-ING. AUGUST DAUSEND
发明人
DAUSEND DIPL.-ING. AUGUST
分类号
E21B6/00
主分类号
E21B6/00
代理机构
代理人
主权项
地址
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