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经营范围
发明名称
Foldable mop with precompressed scrubbing element and method of assembly
摘要
申请公布号
US2757398(A)
申请公布日期
1956.08.07
申请号
US19530358302
申请日期
1953.05.29
申请人
RICHARDS WILLIAM H;RICHARDS WILLIAM F
发明人
RICHARDS WILLIAM H.;RICHARDS WILLIAM F.
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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