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发明名称
MAGNETIC VISUAL DISPLAY
摘要
申请公布号
EP0500741(A4)
申请公布日期
1992.12.30
申请号
EP19900917466
申请日期
1990.10.17
申请人
THE OHIO ART COMPANY
发明人
GILANO, MICHAEL;LANGFORD, GORDON, BEDFORD;GILANO, MICHAEL, A.
分类号
B43L1/00;G09F9/37;(IPC1-7):B43L1/00
主分类号
B43L1/00
代理机构
代理人
主权项
地址
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