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经营范围
发明名称
An automatically operated drilling machine
摘要
申请公布号
GB381461(A)
申请公布日期
1932.10.06
申请号
GB19320006881
申请日期
1932.03.08
申请人
EDWARD BETHELL
发明人
分类号
B25H1/00
主分类号
B25H1/00
代理机构
代理人
主权项
地址
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