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发明名称
OPTICAL COORDINATE DATA ENTRY DEVICE
摘要
申请公布号
GB8612105(D0)
申请公布日期
1986.05.19
申请号
GB19860012105
申请日期
1986.05.19
申请人
ALPS ELECTRIC CO LTD
发明人
分类号
G06F3/033;G06F3/042;(IPC1-7):G06F3/02
主分类号
G06F3/033
代理机构
代理人
主权项
地址
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