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发明名称
APPARATUS FOR ENCODING AN ARRAY OF SWITCHING DEVICES SUCH AS KEYS OF A KEYBOARD
摘要
申请公布号
GB1555249(A)
申请公布日期
1979.11.07
申请号
GB19760047883
申请日期
1976.11.17
申请人
XEROX CORP
发明人
分类号
G06F3/023;H03K17/98;H03M11/02;H03M11/20;(IPC1-7):H03K13/00
主分类号
G06F3/023
代理机构
代理人
主权项
地址
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