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经营范围
发明名称
Railway track circuits
摘要
申请公布号
GB929050(A)
申请公布日期
1963.06.19
申请号
GB19600036706
申请日期
1960.10.26
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
分类号
B61L1/18
主分类号
B61L1/18
代理机构
代理人
主权项
地址
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