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经营范围
发明名称
Protection against dust mask
摘要
申请公布号
KR20100004312(U)
申请公布日期
2010.04.27
申请号
KR20080013850U
申请日期
2008.10.17
申请人
发明人
分类号
A62B18/02;A62B23/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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