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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPH02118813(A)
申请公布日期
1990.05.07
申请号
JP19880273459
申请日期
1988.10.28
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
ISHII HIDEO
分类号
G06F3/02
主分类号
G06F3/02
代理机构
代理人
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