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发明名称
Self-wringing mop
摘要
申请公布号
US2685098(A)
申请公布日期
1954.08.03
申请号
US19500198702
申请日期
1950.12.01
申请人
O-CEDAR CORP'N
发明人
JR. JOSEPH PALMA,;KNAPP JAMES G.
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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