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发明名称
Power-operated chuck
摘要
申请公布号
US2423244(A)
申请公布日期
1947.07.01
申请号
US19440520005
申请日期
1944.01.28
申请人
JONES & LAMSON MACHINE COMPANY
发明人
LOVELY JOHN E.
分类号
B23B31/163
主分类号
B23B31/163
代理机构
代理人
主权项
地址
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