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发明名称
Suction cleaning apparatus
摘要
申请公布号
US2303409(A)
申请公布日期
1942.12.01
申请号
US19400328609
申请日期
1940.04.09
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
TAYLOR CHARLES H.
分类号
A47L5/24;A47L5/28
主分类号
A47L5/24
代理机构
代理人
主权项
地址
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