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发明名称
Ламповый передатчик
摘要
申请公布号
SU13800(A1)
申请公布日期
1930.03.31
申请号
SU19290042044
申请日期
1929.03.04
申请人
TELEFUNKEN;O-VO BESPROVOLOCHNOJ TELEGRAFII S OGR. OTV.
发明人
R. URTEJL
分类号
H03B5/04
主分类号
H03B5/04
代理机构
代理人
主权项
地址
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