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发明名称
Installation pour la transmission d'informations en combinaisons d'impulsions parallèles, par l'intermédiaire d'un bureau central automatique
摘要
申请公布号
FR1509398(A)
申请公布日期
1968.01.12
申请号
FR19670092000
申请日期
1967.01.20
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
分类号
H04L12/52
主分类号
H04L12/52
代理机构
代理人
主权项
地址
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