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发明名称
Reenforcement for alpha water bucket mop wringing device
摘要
申请公布号
US1922733(A)
申请公布日期
1933.08.15
申请号
US19310573658
申请日期
1931.11.07
申请人
CHARLES HUFFORD
发明人
HUFFORD CHARLES
分类号
A47L13/60
主分类号
A47L13/60
代理机构
代理人
主权项
地址
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