COLOR AND POSITIONALLY CODED PERMUTATIVE ONE-HANDED KEYBOARD,申请号EP19840904236-传众专利搜索

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发明名称	COLOR AND POSITIONALLY CODED PERMUTATIVE ONE-HANDED KEYBOARD
摘要
申请公布号	EP0163690(B1)	申请公布日期	1990.05.09
申请号	EP19840904236	申请日期	1984.10.25
申请人	STONE, PHILIP J.	发明人	STONE, PHILIP J.
分类号	B41J5/12;B41J5/10;G06F3/023;H03M11/00;H03M11/08	主分类号	B41J5/12
代理机构		代理人
主权项
地址

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