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发明名称
LIGHT SIGNALLING DEVICES
摘要
申请公布号
GB1574387(A)
申请公布日期
1980.09.03
申请号
GB19770002266
申请日期
1977.01.20
申请人
BOURBOULON H
发明人
分类号
G08G1/095;G09F13/04;G09F13/22;(IPC1-7):F21Q3/02
主分类号
G08G1/095
代理机构
代理人
主权项
地址
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