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经营范围
发明名称
The mask for freventing from dust
摘要
申请公布号
KR200375730(Y1)
申请公布日期
2005.03.08
申请号
KR20040033911U
申请日期
2004.11.30
申请人
发明人
分类号
A62B18/02;A62B18/08;A62B23/02;(IPC1-7):A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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