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发明名称
Improvements in or relating to carpet sweepers
摘要
申请公布号
GB542750(A)
申请公布日期
1942.01.26
申请号
GB19410003376
申请日期
1941.03.12
申请人
BISSELL CARPET SWEEPER COMPANY
发明人
分类号
A47L11/33
主分类号
A47L11/33
代理机构
代理人
主权项
地址
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