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经营范围
发明名称
Technik der Beobachtung von Lesern von Druckerzeugnissen.
摘要
申请公布号
DE69022024(T2)
申请公布日期
1996.05.02
申请号
DE19906022024T
申请日期
1990.07.31
申请人
WEINBLATT, LEE S., TEANECK, N.J., US
发明人
WEINBLATT, LEE S., TEANECK, N.J., US
分类号
A61B3/113;H04N7/18;(IPC1-7):A61B3/113;G09B19/00
主分类号
A61B3/113
代理机构
代理人
主权项
地址
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