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经营范围
发明名称
RAILWAY TRACK CIRCUIT
摘要
申请公布号
AR244149(A1)
申请公布日期
1993.10.29
申请号
AR19880312757
申请日期
1988.12.15
申请人
TECNICAS UNIDAS S.A.
发明人
分类号
B61L1/18;B61L23/16;(IPC1-7):B61L23/34;B61L23/00;H03H7/00
主分类号
B61L1/18
代理机构
代理人
主权项
地址
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