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发明名称
Litter control for vacuum cleaners
摘要
申请公布号
US2588198(A)
申请公布日期
1952.03.04
申请号
US19480054240
申请日期
1948.10.13
申请人
THE B & R MANUFACTURING COMPANY
发明人
BEVINGTON JULIUS J.
分类号
A47L9/00;A47L9/10
主分类号
A47L9/00
代理机构
代理人
主权项
地址
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