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发明名称
CLEANING DEVICE
摘要
申请公布号
GB2021398(A)
申请公布日期
1979.12.05
申请号
GB19790010922
申请日期
1979.03.29
申请人
PEDRINI I
发明人
分类号
A46B13/02;A47L15/00;A47L15/39;A47L17/00;A47L17/04;(IPC1-7):A46B13/00
主分类号
A46B13/02
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代理人
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