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经营范围
发明名称
Способ стабилизации катодного генератора
摘要
申请公布号
SU31305(A1)
申请公布日期
1933.07.31
申请号
SU19310090662
申请日期
1931.06.27
申请人
TELEFUNKEN;O-VO BESPROVOLOCHNOJ TELEGRAFII S OGR. OTV.
发明人
G. ROZENSHTEJN
分类号
H03B5/06
主分类号
H03B5/06
代理机构
代理人
主权项
地址
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