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发明名称
Radii tool and dresser
摘要
申请公布号
US2390914(A)
申请公布日期
1945.12.11
申请号
US19440541203
申请日期
1944.06.20
申请人
SALVATORE BARRERA
发明人
BARRERA SALVATORE
分类号
B23B5/40
主分类号
B23B5/40
代理机构
代理人
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