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经营范围
发明名称
Appareil enregistreur de signaux.
摘要
申请公布号
CH253132(A)
申请公布日期
1948.02.15
申请号
CHD253132
申请日期
1944.04.19
申请人
STANDARD TELEPHONE ET RADIO S.A.
发明人
S.A. STANDARD TELEPHONE ET RADIO
分类号
H04L15/03;H04L25/03
主分类号
H04L15/03
代理机构
代理人
主权项
地址
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