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发明名称
Air vent and cleaner therefor
摘要
申请公布号
US2609961(A)
申请公布日期
1952.09.09
申请号
US19510229441
申请日期
1951.06.01
申请人
SAPIEN SISTO V
发明人
SAPIEN SISTO V.
分类号
B05B7/24;B05B15/00
主分类号
B05B7/24
代理机构
代理人
主权项
地址
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