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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPH03203782(A)
申请公布日期
1991.09.05
申请号
JP19890341512
申请日期
1989.12.30
申请人
CASIO COMPUT CO LTD
发明人
OKISAWA DAISUKE;TANIGUCHI HIROKAZU
分类号
G10B3/00
主分类号
G10B3/00
代理机构
代理人
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地址
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