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发明名称
Self-wringing mop
摘要
申请公布号
US2869161(A)
申请公布日期
1959.01.20
申请号
US19540405789
申请日期
1954.01.25
申请人
ERNST L. WEBER
发明人
COOPER VIRGIL K.
分类号
A47L13/146
主分类号
A47L13/146
代理机构
代理人
主权项
地址
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