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发明名称
EMERGENCY ALARM APPARATUS
摘要
申请公布号
GB1494753(A)
申请公布日期
1977.12.14
申请号
GB19740054488
申请日期
1974.12.17
申请人
HOCHIKI CORP
发明人
分类号
G08B25/14;G08B29/12;G08B29/14;(IPC1-7):G08B29/00;G08B17/06
主分类号
G08B25/14
代理机构
代理人
主权项
地址
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