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发明名称
Автоматический блок-пост при двухпутной релейной блокировке
摘要
申请公布号
SU107625(A2)
申请公布日期
1956.11.30
申请号
SU19550455200
申请日期
1955.07.02
申请人
STEPANOV N.M.
发明人
STEPANOV N.M.
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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