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发明名称
INFORMATION INPUT DEVICE
摘要
申请公布号
JPS6273321(A)
申请公布日期
1987.04.04
申请号
JP19850212320
申请日期
1985.09.27
申请人
HITACHI LTD
发明人
SASAKI AKIO
分类号
G06F3/02;G06F3/023;H03M11/14
主分类号
G06F3/02
代理机构
代理人
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