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发明名称
Collet and pusher
摘要
申请公布号
US1839432(A)
申请公布日期
1932.01.05
申请号
US19300442298
申请日期
1930.04.07
申请人
THE NATIONAL ACME COMPANY
发明人
WEED CHESTER A.
分类号
B23B13/12
主分类号
B23B13/12
代理机构
代理人
主权项
地址
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