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发明名称
APPARATUS FOR REMOVING BALLAST FROM UNDER SOLE OF RAIL OF TRACK
摘要
申请公布号
SU1602917(A1)
申请公布日期
1990.10.30
申请号
SU19884406789
申请日期
1988.04.11
申请人
ALMA-ATINSKIJ I INZHENEROV ZHELEZNODOROZHNOGO TRANSPORTA
发明人
ALIMOVA ELENA V,SU;KHRONOV DMITRIJ E,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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