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经营范围
发明名称
Appareil signalisateur et émetteur à fonctionnement automatique
摘要
申请公布号
FR1100800(A)
申请公布日期
1955.09.23
申请号
FRD1100800
申请日期
1954.05.20
申请人
发明人
PAULET LEON
分类号
H04L15/22
主分类号
H04L15/22
代理机构
代理人
主权项
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