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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPH06318125(A)
申请公布日期
1994.11.15
申请号
JP19930131462
申请日期
1993.05.07
申请人
RICOH CO LTD
发明人
TERAMURA SHINSUKE
分类号
G06F3/02;(IPC1-7):G06F3/02
主分类号
G06F3/02
代理机构
代理人
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