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发明名称
Suction cleaning apparatus
摘要
申请公布号
US2416420(A)
申请公布日期
1947.02.25
申请号
US19440528816
申请日期
1944.03.31
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
TAYLOR CHARLES H.
分类号
A47L5/34
主分类号
A47L5/34
代理机构
代理人
主权项
地址
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