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经营范围
发明名称
Устройство для одновременной передачи одной и той же программы по радио и по проводам
摘要
申请公布号
SU30318(A1)
申请公布日期
1933.05.31
申请号
SU19300064452
申请日期
1930.02.15
申请人
KUZNETSOV N.M.;LVOVICH R.V.;SIRIN M.M.
发明人
KUZNETSOV N.M.;LVOVICH R.V.;SIRIN M.M.
分类号
H04M11/00
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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