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发明名称
SIMPLE PASSIVE/ACTIVE PROXIMITY WARNING SYSTEM.
摘要
申请公布号
EP0175757(A4)
申请公布日期
1988.03.30
申请号
EP19850901747
申请日期
1985.03.12
申请人
LITCHSTREET CO.
发明人
LITCHFORD, GEORGE, B.;HULLAND, BURTON, L.
分类号
G01S13/18;G01S13/78;G01S13/79;G01S13/93
主分类号
G01S13/18
代理机构
代理人
主权项
地址
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