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发明名称
Drilling machine
摘要
申请公布号
US2240795(A)
申请公布日期
1941.05.06
申请号
US19380186122
申请日期
1938.01.21
申请人
THE NATIONAL SUPPLY COMPANY
发明人
JR. JOHN S. MORGAN,;GILLETT FRANK L.
分类号
B23B47/18;B23Q5/40
主分类号
B23B47/18
代理机构
代理人
主权项
地址
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