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发明名称
AUTOMATIC WALL PICTURE
摘要
申请公布号
KR910002984(Y1)
申请公布日期
1991.05.03
申请号
KR19890001633U
申请日期
1989.02.17
申请人
YANG, CHUNG-HYO
发明人
YANG, CHUNG-HYO
分类号
G09B1/20;(IPC1-7):G09B1/20
主分类号
G09B1/20
代理机构
代理人
主权项
地址
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