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发明名称
Récepteur à fréquences vocales
摘要
申请公布号
CH318089(A)
申请公布日期
1956.12.15
申请号
CHD318089
申请日期
1952.04.26
申请人
STANDARD TELEPHONE ET RADIO S. A.
发明人
MARTENS,JEAN-VICTOR-PHILOMINE
分类号
H04Q1/446
主分类号
H04Q1/446
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代理人
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