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发明名称
Répartiteur perfectionné destiné aux réseaux téléphoniques de transmission de messages par fréquence porteuse, en particulier de transmission radiophonique par fil
摘要
申请公布号
FR839277(A)
申请公布日期
1939.03.30
申请号
FRD839277
申请日期
1938.06.14
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
H04H20/81;H04Q1/14
主分类号
H04H20/81
代理机构
代理人
主权项
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