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发明名称
STEUERUNGSANORDNUNG ZUM SCHRITTWEISEN VORSCHUB AN GESTEINSBOHRMASCHINEN.
摘要
申请公布号
DE1907408(U)
申请公布日期
1964.12.31
申请号
DE196000B0841U
申请日期
1960.03.18
申请人
GEBR. BOEHLER & CO. AKTIENGESELLSCHAFT;GEBR. BOEHLER & CO. AKTIENGESELLSCHAFT
发明人
分类号
E21B19/086
主分类号
E21B19/086
代理机构
代理人
主权项
地址
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