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发明名称
SYSTEME DE SIGNALISATION PAR RADIO
摘要
申请公布号
BE852483(A1)
申请公布日期
1977.09.15
申请号
BE19770175812
申请日期
1977.03.15
申请人
LEWIS SECURITY SYSTEMS LTD
发明人
分类号
G08B13/22;G08B25/10;(IPC1-7):H04B/
主分类号
G08B13/22
代理机构
代理人
主权项
地址
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