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经营范围
发明名称
EASEL
摘要
申请公布号
KR810001044(Y1)
申请公布日期
1981.09.08
申请号
KR19800005518U
申请日期
1980.08.26
申请人
HAN BOK LIN
发明人
HAN BOK LIN
分类号
G09B19/24;(IPC1-7):G09B19/24
主分类号
G09B19/24
代理机构
代理人
主权项
地址
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