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发明名称
Vacuum mop cleaning receptacle
摘要
申请公布号
US2519254(A)
申请公布日期
1950.08.15
申请号
US19450616867
申请日期
1945.09.17
申请人
MARY KERSKY
发明人
KERSKY MARY
分类号
A47L13/502
主分类号
A47L13/502
代理机构
代理人
主权项
地址
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