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发明名称
Means for holding tool shanks in socket members
摘要
申请公布号
US3246930(A)
申请公布日期
1966.04.19
申请号
US19610131283
申请日期
1961.08.14
申请人
THE CINCINNATI MINE MACHINERY CO.
发明人
KREKELER CLAUDE B.
分类号
E21C35/19;E21C35/193
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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