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发明名称
Drilling machine and spindle driving mechanism
摘要
申请公布号
US2309589(A)
申请公布日期
1943.01.26
申请号
US19400360713
申请日期
1940.10.11
申请人
LELAND-GIFFORD COMPANY
发明人
HIRVONEN ERIC J.
分类号
B23B47/06;B23Q5/16
主分类号
B23B47/06
代理机构
代理人
主权项
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