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经营范围
发明名称
Perfectionnements aux dispositifs d'alarme contre l'incendie
摘要
申请公布号
FR1009270(A)
申请公布日期
1952.05.27
申请号
FRD1009270
申请日期
1948.06.01
申请人
发明人
MARTIN JOANNY
分类号
H01H37/76
主分类号
H01H37/76
代理机构
代理人
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