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发明名称
Poste avertisseur pour l'appel des pompiers ou de la police, transmettant et recevant par t. s. f.
摘要
申请公布号
FR921788(A)
申请公布日期
1947.05.19
申请号
FRD921788
申请日期
1945.11.29
申请人
发明人
HUEBER ALBERT
分类号
G08B25/12
主分类号
G08B25/12
代理机构
代理人
主权项
地址
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PROJECTOR
