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经营范围
发明名称
Improvements in and relating to vacuum cleaners
摘要
申请公布号
GB450304(A)
申请公布日期
1936.07.14
申请号
GB19360011154
申请日期
1936.04.18
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
A47L5/34
主分类号
A47L5/34
代理机构
代理人
主权项
地址
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