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发明名称
Boring head with facing feed
摘要
申请公布号
US2489719(A)
申请公布日期
1949.11.29
申请号
US19470721839
申请日期
1947.01.13
申请人
MYERS HERMAN E
发明人
MYERS HERMAN E.
分类号
B23B29/034
主分类号
B23B29/034
代理机构
代理人
主权项
地址
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