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发明名称
TRANSPARENT KEYBOARD DEVICE
摘要
申请公布号
JPH05134791(A)
申请公布日期
1993.06.01
申请号
JP19910296155
申请日期
1991.11.13
申请人
CANON INC
发明人
ISHIWATARI MASUMI
分类号
G06F3/02;H05K1/02
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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