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发明名称
Cleaning device
摘要
申请公布号
US2039594(A)
申请公布日期
1936.05.05
申请号
US19340756793
申请日期
1934.12.10
申请人
HUNTER HESTER W
发明人
HUNTER HESTER W.
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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