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发明名称
SISTEMA DE PROTECCIËN DE PASOS A NIVEL
摘要
申请公布号
ES295765(A1)
申请公布日期
1964.03.16
申请号
ES19650002957
申请日期
1964.01.27
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
分类号
B61L29/24;(IPC1-7):B61L29/24
主分类号
B61L29/24
代理机构
代理人
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地址
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