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发明名称
Fernmeldekabel mit symmetrisch verseilten Adergruppen zur Übertragung höherer Frequenzen, insbesondere für Trägerfrequenzbetrieb.
摘要
申请公布号
AT155253(B)
申请公布日期
1938.12.27
申请号
ATD155253
申请日期
1937.04.20
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
KARL GERMER
分类号
主分类号
代理机构
代理人
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