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发明名称
Dispositif d'aiguillage
摘要
申请公布号
FR1013539(A)
申请公布日期
1952.07.30
申请号
FRD1013539
申请日期
1950.01.03
申请人
SOCIETE ANONYME DE TELECOMMUNICATIONS
发明人
SALZMANN JEAN
分类号
H04B1/52
主分类号
H04B1/52
代理机构
代理人
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