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发明名称
Collet or chuck
摘要
申请公布号
US2602672(A)
申请公布日期
1952.07.08
申请号
US19470758302
申请日期
1947.07.01
申请人
THE NEW BRITAIN MACHINE COMPANY
发明人
WIARD ROBERT C.
分类号
A61C1/14;B24B45/00
主分类号
A61C1/14
代理机构
代理人
主权项
地址
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