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发明名称
Schaltungsanordnung für Phasenumkehr-Wechselstromtelegraphie.
摘要
申请公布号
CH235872(A)
申请公布日期
1944.12.31
申请号
CHD235872
申请日期
1942.12.30
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
AKTIENGESELLSCHAFT C. LORENZ
分类号
H04L27/227
主分类号
H04L27/227
代理机构
代理人
主权项
地址
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