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经营范围
发明名称
Hone dressing apparatus
摘要
申请公布号
US3077877(A)
申请公布日期
1963.02.19
申请号
US19590860773
申请日期
1959.12.21
申请人
NATIONAL BROACH & MACHINE COMPANY
发明人
DANIEL DAVID W.;JR. JOHN J. SIGMAN,
分类号
B23F19/05;B23F23/12;B24B53/00
主分类号
B23F19/05
代理机构
代理人
主权项
地址
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