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发明名称
Rifling tool
摘要
申请公布号
US2210848(A)
申请公布日期
1940.08.06
申请号
US19380231363
申请日期
1938.09.23
申请人
ILLINOIS TOOL WORKS
发明人
BOHLE FRED
分类号
B23D5/02
主分类号
B23D5/02
代理机构
代理人
主权项
地址
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