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发明名称
Dust disposal device for vacuum cleaners
摘要
申请公布号
US2171754(A)
申请公布日期
1939.09.05
申请号
US19350051352
申请日期
1935.11.25
申请人
LA JEUNESSE CLIFFORD L
发明人
JEUNESSE CLIFFORD L. LA
分类号
A47L9/20
主分类号
A47L9/20
代理机构
代理人
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地址
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