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经营范围
发明名称
Improvements in or relating to boring machines
摘要
申请公布号
GB754840(A)
申请公布日期
1956.08.15
申请号
GB19540005094
申请日期
1954.02.22
申请人
ARNE JOHN ARTHUR ASPLUND
发明人
分类号
B23B41/02
主分类号
B23B41/02
代理机构
代理人
主权项
地址
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