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发明名称
ELECTRONICALLY ACTUATED DISPLAY ARRAY FOR DISPLAYING ARITHMETIC OPERATION SYMBOLS
摘要
申请公布号
EP1525573(A2)
申请公布日期
2005.04.27
申请号
EP20030768510
申请日期
2003.02.25
申请人
RESOR, CHARLES P.;MARTIN, TOMMY JACKSON
发明人
RESOR, CHARLES P.;MARTIN, TOMMY JACKSON
分类号
G02F1/13;G09B5/02;G09B23/02;G09F9/30;(IPC1-7):G09G1/00
主分类号
G02F1/13
代理机构
代理人
主权项
地址
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