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经营范围
发明名称
Extension pipe for a vacuum cleaner which has an improved joint structure
摘要
申请公布号
KR100671836(B1)
申请公布日期
2007.01.22
申请号
KR20040047758
申请日期
2004.06.24
申请人
发明人
分类号
A47L9/24
主分类号
A47L9/24
代理机构
代理人
主权项
地址
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