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发明名称
KEYBOARD INPUT CIRCUIT
摘要
申请公布号
JPH0389422(A)
申请公布日期
1991.04.15
申请号
JP19890226964
申请日期
1989.09.01
申请人
ROHM CO LTD
发明人
NAIKI TAKASHI
分类号
G06F3/023;H01H13/76;H03M11/20
主分类号
G06F3/023
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代理人
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