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发明名称
Improvements relating to beacons
摘要
申请公布号
GB2160303(A)
申请公布日期
1985.12.18
申请号
GB19840015071
申请日期
1984.06.13
申请人
发明人
分类号
B60Q1/26;F21S8/00;(IPC1-7):F21Q3/02
主分类号
B60Q1/26
代理机构
代理人
主权项
地址
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