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发明名称
Improvements in or relating to vacuum cleaners
摘要
申请公布号
GB765193(A)
申请公布日期
1957.01.02
申请号
GB19550004990
申请日期
1955.02.18
申请人
LEWYT CORPORATION
发明人
MEYERHOEFER CARL E.
分类号
A47L5/36
主分类号
A47L5/36
代理机构
代理人
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地址
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