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发明名称
Improvements relating to fire alarms
摘要
申请公布号
GB791349(A)
申请公布日期
1958.02.26
申请号
GB19550019612
申请日期
1955.07.07
申请人
EVERED AND COMPANY LIMITED
发明人
WILSON ARCHIBALD HAMMOND
分类号
G08B17/02
主分类号
G08B17/02
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