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经营范围
发明名称
Track circuit working in two different frequency ranges
摘要
申请公布号
EP2338762(B1)
申请公布日期
2012.09.12
申请号
EP20090425518
申请日期
2009.12.21
申请人
ALSTOM FERROVIARIA S.P.A.
发明人
AISA, PIER ALESSANDRO;GIOVANNUCCI, ANDREA
分类号
B61L1/18;B61L3/24
主分类号
B61L1/18
代理机构
代理人
主权项
地址
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