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发明名称
Improvements in or relating to magnetic signalling systems for railways
摘要
申请公布号
GB804427(A)
申请公布日期
1958.11.12
申请号
GB19560005048
申请日期
1956.02.17
申请人
SOCIETE INDUSTRIELLE DE LIAISONS ELECTRIQUES;GEORGES EDMOND HOURS
发明人
分类号
B61L1/08;B61L3/12
主分类号
B61L1/08
代理机构
代理人
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