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发明名称
Fresnel Lens card
摘要
申请公布号
KR20080002036(U)
申请公布日期
2008.06.23
申请号
KR20060031971U
申请日期
2006.12.18
申请人
发明人
分类号
B42D25/22;G02C7/00
主分类号
B42D25/22
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代理人
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