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经营范围
发明名称
RAIL JOINT
摘要
申请公布号
SU1467128(A1)
申请公布日期
1989.03.23
申请号
SU19853989702
申请日期
1985.12.16
申请人
NI GORNORUDNYJ INSTITUT
发明人
YAKOVENKO BORIS V,SU;LITVINENKO VIKTOR A,SU;PAKHOMOV VLADIMIR I,SU;TKACHEVA DORA V,SU
分类号
E01B9/46
主分类号
E01B9/46
代理机构
代理人
主权项
地址
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