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发明名称
Perfectionnements aux systèmes de réception d'impulsions électriques
摘要
申请公布号
FR944467(A)
申请公布日期
1949.04.06
申请号
FRD944467
申请日期
1947.03.08
申请人
SADIR-CARPENTIER
发明人
POTIER GASTON
分类号
H04J3/00
主分类号
H04J3/00
代理机构
代理人
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