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经营范围
发明名称
TOUCH PANEL FOR AN ACOUSTIC TOUCH POSITION SENSOR.
摘要
申请公布号
EP0621973(A4)
申请公布日期
1998.02.04
申请号
EP19930903399
申请日期
1993.01.07
申请人
EXZEC INC.
发明人
KNOWLES, TERENCE, J.
分类号
G06F3/043;G01B17/00;G06F3/033;G06F3/041;(IPC1-7):G08C21/00
主分类号
G06F3/043
代理机构
代理人
主权项
地址
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