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发明名称
Gesteinsdrehbohrmaschine mit einem den Bohrer antreibenden und vorschiebenden Antriebsmotor
摘要
申请公布号
DE1053445(B)
申请公布日期
1959.03.26
申请号
DE1955D021959
申请日期
1955.12.20
申请人
DIPL.-ING. ALWIN DUESTERLOH
发明人
DUESTERLOH DIPL.-ING. ALWIN
分类号
E21B3/00
主分类号
E21B3/00
代理机构
代理人
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地址
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