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发明名称
Motor operated chuck
摘要
申请公布号
US2579796(A)
申请公布日期
1951.12.25
申请号
US19480004962
申请日期
1948.01.29
申请人
UNION MANUFACTURING COMPANY
发明人
CHURCH ALBERT E.
分类号
B23B31/28
主分类号
B23B31/28
代理机构
代理人
主权项
地址
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