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发明名称
Broach
摘要
申请公布号
US2153909(A)
申请公布日期
1939.04.11
申请号
US19380185934
申请日期
1938.01.20
申请人
THE LAPOINTE MACHINE TOOL COMPANY
发明人
BAKER HARRY A.
分类号
B23D43/02
主分类号
B23D43/02
代理机构
代理人
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