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发明名称
DEVICE FOR REMOVING BALLAST FROM UNDER RAIL FEET
摘要
申请公布号
SU1289943(A1)
申请公布日期
1987.02.15
申请号
SU19853885033
申请日期
1985.04.18
申请人
V PT I TRANSPORTNOGO STROITELSTVA
发明人
NABATOV ARKADIJ B,SU;YALTSEV SERGEJ A,SU;KARPOV MIKHAIL B,SU
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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