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METHOD OF REPAIRING TIMBER SLEEPERS

申请公布号:SU779487(A1)

申请号:SU19762385889

申请日期:1976.07.09

申请公布日期:1980.11.15

申请人:
VNII ZHELEZNODOROZHNOGO TRANSPORTA

发明人:KARPOV NIKOLAJ A,SU;SHIROKOV TIMOFEJ A,SU;BASSARSKIJ MIKHAIL P,SU

分类号:E01B31/24;(IPC1-7):E01B31/24

主分类号:E01B31/24

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