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发明名称
Vorrichtung zum Antrieb von Drillbohrern
摘要
申请公布号
DE1904096(A1)
申请公布日期
1970.08.06
申请号
DE19691904096
申请日期
1969.01.28
申请人
SMITH,EDWARD W.
发明人
W. SMITH,EDWARD
分类号
B23B47/34
主分类号
B23B47/34
代理机构
代理人
主权项
地址
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