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发明名称
Установка для очистки щебеночного балласта железнодорожного пути
摘要
申请公布号
SU84910(A1)
申请公布日期
1949.11.30
申请号
SU19490392259
申请日期
1949.02.23
申请人
KARPOV N.A.
发明人
KARPOV N.A.
分类号
E01B27/11;B65G17/38;E01B27/08
主分类号
E01B27/11
代理机构
代理人
主权项
地址
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