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发明名称
Машина для очистки щебеночного балласта железнодорожного пути
摘要
申请公布号
SU71150(A1)
申请公布日期
1947.11.30
申请号
SU19470005824
申请日期
1947.02.22
申请人
ORLOV N.G.
发明人
ORLOV N.G.
分类号
E01B27/04
主分类号
E01B27/04
代理机构
代理人
主权项
地址
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