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发明名称
RAIL BUTT JOINT
摘要
申请公布号
SU1730312(A1)
申请公布日期
1992.04.30
申请号
SU19894774016
申请日期
1989.12.25
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
地址
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