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发明名称
Centrifugal expanding collet
摘要
申请公布号
US2519139(A)
申请公布日期
1950.08.15
申请号
US19460664095
申请日期
1946.04.22
申请人
KEENEY EDWARD W
发明人
KEENEY EDWARD W.
分类号
B23B31/14;B23B31/18
主分类号
B23B31/14
代理机构
代理人
主权项
地址
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