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经营范围
发明名称
Socket-mounted cutter bit and set screw arrangement
摘要
申请公布号
US2743917(A)
申请公布日期
1956.05.01
申请号
US19520318600
申请日期
1952.11.04
申请人
THE CINCINNATI MINE MACHINERY COMPANY
发明人
KREKELER CLAUDE B.;BRUESTLE ARMIN O.
分类号
E21C35/193
主分类号
E21C35/193
代理机构
代理人
主权项
地址
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