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发明名称
Boring bar
摘要
申请公布号
US2399271(A)
申请公布日期
1946.04.30
申请号
US19440539369
申请日期
1944.06.08
申请人
VONADA PHILLIP A
发明人
VONADA PHILLIP A.
分类号
B23B29/04
主分类号
B23B29/04
代理机构
代理人
主权项
地址
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