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经营范围
发明名称
INFRARED TOUCHSCREENS
摘要
申请公布号
EP0135391(A3)
申请公布日期
1985.07.10
申请号
EP19840306284
申请日期
1984.09.14
申请人
HEWLETT-PACKARD COMPANY
发明人
KILBOURN, THOMAS EARL;MCCLELLAND, SCOTT ROBERT
分类号
G06F3/041;G06F3/033;G06F3/042;(IPC1-7):G06K11/06;G06K11/00
主分类号
G06F3/041
代理机构
代理人
主权项
地址
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