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发明名称
Boring head
摘要
申请公布号
US2564460(A)
申请公布日期
1951.08.14
申请号
US19470787900
申请日期
1947.11.25
申请人
ALBERT O. BODERMAN
发明人
BLANCO JOSEPH R.
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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