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发明名称
Rethreading tool
摘要
申请公布号
US2508291(A)
申请公布日期
1950.05.16
申请号
US19450598583
申请日期
1945.06.09
申请人
FRANK PORRO
发明人
PORRO FRANK
分类号
B23G9/00
主分类号
B23G9/00
代理机构
代理人
主权项
地址
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