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发明名称
Regelvorrichtung fuer den Drehtischantrieb beim Tiefbohren
摘要
申请公布号
DE639286(C)
申请公布日期
1936.12.03
申请号
DE1935M130297D
申请日期
1935.03.03
申请人
DIPL.-ING. FRIEDRICH L. MUELLER
发明人
分类号
E21B44/04
主分类号
E21B44/04
代理机构
代理人
主权项
地址
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