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发明名称
Method of manufacturing trepanning head
摘要
申请公布号
US3199379(A)
申请公布日期
1965.08.10
申请号
US19630258685
申请日期
1963.02.15
申请人
MADISON INDUSTRIES INC.
发明人
KORSON LEONARD J.
分类号
B23B51/04
主分类号
B23B51/04
代理机构
代理人
主权项
地址
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