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发明名称
PORTABLE DISPLAY BOARD
摘要
申请公布号
EP0092054(B1)
申请公布日期
1986.09.24
申请号
EP19830102591
申请日期
1983.03.16
申请人
NEULAND & CO KOMMUNIKATSYST
发明人
NEULAND, ERICH
分类号
G09F15/00;(IPC1-7):G09F15/00
主分类号
G09F15/00
代理机构
代理人
主权项
地址
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