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发明名称
MATRIX KEYBOARD
摘要
申请公布号
JPH06161633(A)
申请公布日期
1994.06.10
申请号
JP19920318570
申请日期
1992.11.27
申请人
HIROTEC:KK
发明人
TAKIGUCHI TSUTOMU
分类号
G06F3/02;G06F3/023;H03M11/20;(IPC1-7):G06F3/023
主分类号
G06F3/02
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