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发明名称
Dust mop
摘要
申请公布号
US2325598(A)
申请公布日期
1943.08.03
申请号
US19420426352
申请日期
1942.03.26
申请人
CONRAD FAILAND
发明人
FAILAND CONRAD
分类号
A47L13/252
主分类号
A47L13/252
代理机构
代理人
主权项
地址
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