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发明名称
DEVICE FOR PREVENTING MYOPIA FOR USE WITH DESK
摘要
申请公布号
JPH07255532(A)
申请公布日期
1995.10.09
申请号
JP19940074289
申请日期
1994.03.18
申请人
YAMAMOTO TAKEJI
发明人
YAMAMOTO TAKEJI
分类号
A47B13/00;A47B17/00;(IPC1-7):A47B13/00
主分类号
A47B13/00
代理机构
代理人
主权项
地址
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