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发明名称
Способ непрерывного наращивания узкоколейного железнодорожного пути, в особенности при горных выработках
摘要
申请公布号
SU45938(A1)
申请公布日期
1936.02.29
申请号
SU19340159451
申请日期
1934.12.22
申请人
GURDUS A.V.
发明人
GURDUS A.V.
分类号
E01B23/02
主分类号
E01B23/02
代理机构
代理人
主权项
地址
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