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发明名称
DIVICE FOR READING
摘要
申请公布号
KR810001697(Y1)
申请公布日期
1981.10.27
申请号
KR19780000052U
申请日期
1978.01.07
申请人
SUNG J
发明人
SUNG J
分类号
A47B23/04;(IPC1-7):A47B23/04
主分类号
A47B23/04
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