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发明名称
Thread roller
摘要
申请公布号
US3139776(A)
申请公布日期
1964.07.07
申请号
US19600058299
申请日期
1960.09.26
申请人
THE NATIONAL MACHINERY COMPANY
发明人
FRIEDMAN ROBERT G.
分类号
B21H9/02
主分类号
B21H9/02
代理机构
代理人
主权项
地址
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