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经营范围
发明名称
RAILWAY TRACK CIRCUITS
摘要
申请公布号
EP0539046(A3)
申请公布日期
1995.04.19
申请号
EP19920309012
申请日期
1992.10.02
申请人
WESTINGHOUSE BRAKE & SIGNAL
发明人
ROBERTS RICHARD JOHN
分类号
B61L1/18;B61L23/16;(IPC1-7):B61L23/16
主分类号
B61L1/18
代理机构
代理人
主权项
地址
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