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发明名称
Drilling machine
摘要
申请公布号
US2049444(A)
申请公布日期
1936.08.04
申请号
US19330652316
申请日期
1933.01.18
申请人
LELAND-GIFFORD COMPANY
发明人
HIRVONEN ERIC J.
分类号
B23B39/16;B23B47/22
主分类号
B23B39/16
代理机构
代理人
主权项
地址
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