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经营范围
发明名称
RAIL BUTT JOINT
摘要
申请公布号
SU1086053(A1)
申请公布日期
1984.04.15
申请号
SU19813334510
申请日期
1981.07.13
申请人
SUROVTSEV ALEKSANDR,SU
发明人
SUROVTSEV ALEKSANDR I,SU
分类号
E01B11/16;(IPC1-7):E01B11/16
主分类号
E01B11/16
代理机构
代理人
主权项
地址
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