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发明名称
ONE-HANDED KEYBOARD.
摘要
申请公布号
EP0489792(B1)
申请公布日期
1994.03.02
申请号
EP19900912914
申请日期
1990.08.29
申请人
MATIAS, EDGAR
发明人
MATIAS, EDGAR
分类号
B41J5/10;G06F3/023;G09B21/00;H03M11/14;(IPC1-7):G06F3/023
主分类号
B41J5/10
代理机构
代理人
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