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经营范围
发明名称
Optical traffic preemption detector
摘要
申请公布号
EP0520742(B1)
申请公布日期
1998.01.14
申请号
EP19920305755
申请日期
1992.06.23
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
HAMER, STEVEN M.;LUNN, THOMAS J.;WORTMAN, DAVID L.
分类号
G08B5/00;G08G1/087;G08G1/09;G08G1/16;(IPC1-7):G08G1/087
主分类号
G08B5/00
代理机构
代理人
主权项
地址
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