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发明名称
Mop and brush cleaning device
摘要
申请公布号
US2921325(A)
申请公布日期
1960.01.19
申请号
US19570640853
申请日期
1957.02.18
申请人
WILLIAM T. NEIMAN
发明人
CAMPBELL GREGORY J.
分类号
A47L13/502
主分类号
A47L13/502
代理机构
代理人
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地址
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