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发明名称
RAIL BUTT JOINT
摘要
申请公布号
RU1794967(C)
申请公布日期
1993.02.15
申请号
SU19904806688
申请日期
1990.03.26
申请人
KASYLKASOV ZHENYS M,SU
发明人
KASYLKASOV ZHENYS M,SU
分类号
E01B11/06
主分类号
E01B11/06
代理机构
代理人
主权项
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