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发明名称
Improvements in or relating to vacuum cleaners
摘要
申请公布号
GB480141(A)
申请公布日期
1938.02.17
申请号
GB19370004980
申请日期
1937.02.19
申请人
AIR-WAY ELECTRIC APPLIANCE CORPORATION
发明人
分类号
A47L9/04
主分类号
A47L9/04
代理机构
代理人
主权项
地址
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