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发明名称
CONTACTLESS SYSTEM FOR SWITCHING ON AND OFF SIGNALLING LAMPS,ESPECIALLY THOSE OF TRAFFIC CONTROLLING LIGHTS
摘要
申请公布号
PL109697(B1)
申请公布日期
1980.06.30
申请号
PL19770200839
申请日期
1977.09.13
申请人
发明人
分类号
G08G;G08G1/097;(IPC1-7):G08G1/09
主分类号
G08G
代理机构
代理人
主权项
地址
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