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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPS6293723(A)
申请公布日期
1987.04.30
申请号
JP19850232988
申请日期
1985.10.18
申请人
RICOH CO LTD
发明人
SATOMI HIROTO;ISHIBASHI SHOZO
分类号
G06F3/02
主分类号
G06F3/02
代理机构
代理人
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