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经营范围
发明名称
Drilling machines
摘要
申请公布号
GB584640(A)
申请公布日期
1947.01.20
申请号
GB19450001190
申请日期
1945.01.15
申请人
RALPH VICTOR BARKER
发明人
分类号
B23B47/20;B23Q5/32
主分类号
B23B47/20
代理机构
代理人
主权项
地址
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