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发明名称
Perfectionnements aux avertisseurs électriques d'incendie
摘要
申请公布号
FR780613(A)
申请公布日期
1935.04.29
申请号
FRD780613
申请日期
1934.10.30
申请人
发明人
FERRE MARIO;GHIARA FRANCESCO
分类号
G08B17/06
主分类号
G08B17/06
代理机构
代理人
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