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发明名称
Железная дорога на понтонах
摘要
申请公布号
SU22047(A1)
申请公布日期
1931.08.31
申请号
SU19290051619
申请日期
1929.07.23
申请人
MALYGIN V.N.
发明人
MALYGIN V.N.
分类号
B61B15/00;B60B35/18;B60F3/00;B60F5/00;B63B7/04
主分类号
B61B15/00
代理机构
代理人
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