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发明名称
IMPROVEMENTS IN ELECTRONIC KEYBOARDS
摘要
申请公布号
GB8910989(D0)
申请公布日期
1989.06.28
申请号
GB19890010989
申请日期
1989.05.12
申请人
DEVLIN ELECTRONICS LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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