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发明名称
Récepteurs à fréquences vocales
摘要
申请公布号
FR64437(E)
申请公布日期
1955.11.10
申请号
FRD64437
申请日期
1953.06.27
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HARGREAVES THOMAS FREDERICK STANLEY;PRIOR HECTOR THOMAS;CHITTLEBURGH WILLIAM FRANCIS SIDNEY
分类号
H04B1/58
主分类号
H04B1/58
代理机构
代理人
主权项
地址
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