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发明名称
Folding mop and compression wringing means therefor
摘要
申请公布号
US2898617(A)
申请公布日期
1959.08.11
申请号
US19580707226
申请日期
1958.01.06
申请人
HOFMANN INDUSTRIES, INC.
发明人
DUNBAR SPURGEON P.
分类号
A47L13/14
主分类号
A47L13/14
代理机构
代理人
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地址
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