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发明名称
LIGHT BARRIER
摘要
申请公布号
EP0418989(A3)
申请公布日期
1992.11.25
申请号
EP19900250234
申请日期
1990.09.13
申请人
OTTLEBEN, BERND
发明人
OTTLEBEN, BERND
分类号
G01V8/12;(IPC1-7):G01V9/04
主分类号
G01V8/12
代理机构
代理人
主权项
地址
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