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发明名称
EMERGNECY ALARM SYSTEMS
摘要
申请公布号
GB2030336(B)
申请公布日期
1982.11.10
申请号
GB19790030958
申请日期
1979.09.06
申请人
WOLSEY EMERGENCY AUDIO COMMUNICATIONS LTD;AVALON AUDIO COMMUNICATIONS LTD
发明人
分类号
G08B25/04;(IPC1-7):G08B25/00;G08C19/18
主分类号
G08B25/04
代理机构
代理人
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