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发明名称
Mop
摘要
申请公布号
US2318902(A)
申请公布日期
1943.05.11
申请号
US19430475063
申请日期
1943.02.08
申请人
SWEITZ HENRY L
发明人
SWEITZ HENRY L.
分类号
A47L13/24
主分类号
A47L13/24
代理机构
代理人
主权项
地址
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