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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
GB554160(A)
申请公布日期
1943.06.23
申请号
GB19410016394
申请日期
1941.12.19
申请人
ROY SIDNEY AYERS;IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
分类号
B23B29/034
主分类号
B23B29/034
代理机构
代理人
主权项
地址
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