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发明名称
Improvements relating to suction cleaners
摘要
申请公布号
GB667907(A)
申请公布日期
1952.03.12
申请号
GB19500004143
申请日期
1950.02.17
申请人
HOOVER LIMITED
发明人
分类号
A47L5/30
主分类号
A47L5/30
代理机构
代理人
主权项
地址
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