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发明名称
Collet
摘要
申请公布号
US2374245(A)
申请公布日期
1945.04.24
申请号
US19430503576
申请日期
1943.09.23
申请人
THE JACOBS MANUFACTURING COMPANY
发明人
STONER ARTHUR MERRICK
分类号
B23B31/20
主分类号
B23B31/20
代理机构
代理人
主权项
地址
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