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经营范围
发明名称
Trepanning head
摘要
申请公布号
US2869405(A)
申请公布日期
1959.01.20
申请号
US19570663801
申请日期
1957.06.05
申请人
AMERICAN IRON & MACHINE WORKS COMPANY, INC.
发明人
WOLFE DUANE M.
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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