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发明名称
Improvements in or relating to vacuum regulating devices for vacuum cleaners
摘要
申请公布号
GB853526(A)
申请公布日期
1960.11.09
申请号
GB19580001529
申请日期
1958.01.16
申请人
ELECTROLUX LIMITED
发明人
分类号
A47L9/00;A47L9/02;A47L9/24
主分类号
A47L9/00
代理机构
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