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发明名称
KEY INPUT CIRCUIT
摘要
申请公布号
US4074262(A)
申请公布日期
1978.02.14
申请号
US19760652661
申请日期
1976.01.27
申请人
HITACHI, LTD.
发明人
NOMIYA, KOSEI;HOTTA, SHINKICHI
分类号
G06F3/023;H03M11/20;(IPC1-7):G06F3/02
主分类号
G06F3/023
代理机构
代理人
主权项
地址
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