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发明名称
Cleaning device
摘要
申请公布号
US2983944(A)
申请公布日期
1961.05.16
申请号
US19560620353
申请日期
1956.11.05
申请人
ZENONAS USELIS
发明人
USELIS ZENONAS
分类号
A47K7/02;A47L13/22
主分类号
A47K7/02
代理机构
代理人
主权项
地址
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