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发明名称
Improvements in or relating to filters for vacuum cleaners
摘要
申请公布号
GB395590(A)
申请公布日期
1933.07.20
申请号
GB19320035571
申请日期
1932.12.15
申请人
ELECTROLUX LIMITED
发明人
分类号
A47L9/14
主分类号
A47L9/14
代理机构
代理人
主权项
地址
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