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发明名称
BLACKBOARD FRAME
摘要
申请公布号
KR960004582(Y1)
申请公布日期
1996.06.03
申请号
KR19940022841U
申请日期
1994.09.05
申请人
KOREA BLACKBOARD & SCHOOL EQUIPMENT CO., LTD.
发明人
JANG, CHANG - HO
分类号
B43L1/04;(IPC1-7):B43L1/04
主分类号
B43L1/04
代理机构
代理人
主权项
地址
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