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发明名称
Screw shank slotter
摘要
申请公布号
US2657402(A)
申请公布日期
1953.11.03
申请号
US19480058393
申请日期
1948.11.05
申请人
ILLINOIS TOOL WORKS
发明人
POUPITCH OUGLJESA JULES
分类号
B23G9/00
主分类号
B23G9/00
代理机构
代理人
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