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经营范围
发明名称
Door Viewer Having Double Convex Lens
摘要
申请公布号
KR101026455(B1)
申请公布日期
2011.04.07
申请号
KR20080080153
申请日期
2008.08.14
申请人
发明人
分类号
G02B23/00;G02B23/02;G02B23/12
主分类号
G02B23/00
代理机构
代理人
主权项
地址
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