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发明名称
RAILWAY CROSSING
摘要
申请公布号
SU1294900(A1)
申请公布日期
1987.03.07
申请号
SU19864033593
申请日期
1986.03.06
申请人
YARMOLINSKIJ VLADIMIR M,SU;FEDULOV VLADIMIR K,SU;TRUSKANOVA MARIYA B,SU
发明人
YARMOLINSKIJ VLADIMIR M,SU;FEDULOV VLADIMIR K,SU;TRUSKANOVA MARIYA B,SU
分类号
E01C9/04
主分类号
E01C9/04
代理机构
代理人
主权项
地址
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