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发明名称
Кодовая односторонняя автоблокировка постоянного тока с числовым кодом
摘要
申请公布号
SU90900(A2)
申请公布日期
1950.11.30
申请号
SU19500413526
申请日期
1950.03.02
申请人
BRYLEEV A.M.;FONAREV N.M.;SHISHLYAKOV A.V.
发明人
BRYLEEV A.M.;FONAREV N.M.;SHISHLYAKOV A.V.
分类号
B61L23/14
主分类号
B61L23/14
代理机构
代理人
主权项
地址
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