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发明名称
OPTICAL AUXILIARY TOOL FOR IMPROVING SIGHT
摘要
申请公布号
HU9400169(V0)
申请公布日期
1995.04.28
申请号
HU19940000169U
申请日期
1994.06.21
申请人
PADANYI-GULYAS, DAVID
发明人
分类号
A61F9/00
主分类号
A61F9/00
代理机构
代理人
主权项
地址
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