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经营范围
发明名称
A vacuum cleaning unit
摘要
申请公布号
GB2101472(A)
申请公布日期
1983.01.19
申请号
GB19810021807
申请日期
1981.07.15
申请人
发明人
分类号
A47L5/38;A47L7/00;(IPC1-7):A47L5/22
主分类号
A47L5/38
代理机构
代理人
主权项
地址
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