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发明名称
Крестовина для пересечек рельсовых путей слипов
摘要
申请公布号
SU67296(A1)
申请公布日期
1945.11.30
申请号
SU19400331569
申请日期
1940.05.25
申请人
ZINEVICH D.I.
发明人
ZINEVICH D.I.
分类号
B63C3/08
主分类号
B63C3/08
代理机构
代理人
主权项
地址
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