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发明名称
Mehrstufiger Roehren-Empfangsverstaerker fuer Telegraphie mit Impedanz-Kapazitaetskopplung zwischen je zwei Roehren
摘要
申请公布号
DE533260(C)
申请公布日期
1931.09.12
申请号
DE1927S083095D
申请日期
1927.12.15
申请人
WILLOUGHBY STATHAM SMITH;NORMAN WILLIAM MCLACHLAN
发明人
分类号
H04L25/24
主分类号
H04L25/24
代理机构
代理人
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