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发明名称
Circuit de correction pour les répéteurs d'impulsions dans les systèmes de téléphonie automatique
摘要
申请公布号
FR952231(A)
申请公布日期
1949.11.14
申请号
FRD952231
申请日期
1947.08.21
申请人
AUTOMATIC ELECTRIC LABORATORIES INC.
发明人
分类号
H04Q1/36
主分类号
H04Q1/36
代理机构
代理人
主权项
地址
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