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发明名称
Procédé de transmission sur les lignes en hyperfréquences ?mprenant de nombreux relais, intéressant spécialement la téléphonie
摘要
申请公布号
FR1048575(A)
申请公布日期
1953.12.22
申请号
FRD1048575
申请日期
1951.10.08
申请人
发明人
SCHROTER FRITZ
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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