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发明名称
Brush drive mechanism for carpet sweepers
摘要
申请公布号
US2563189(A)
申请公布日期
1951.08.07
申请号
US19480019617
申请日期
1948.04.07
申请人
EPHRAIM RIGBY ERNEST
发明人
RIGBY ERNEST EPHRAIM
分类号
A47L11/33
主分类号
A47L11/33
代理机构
代理人
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地址
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