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经营范围
发明名称
Improvements in or relating to railway signalling systems
摘要
申请公布号
GB1020037(A)
申请公布日期
1966.02.16
申请号
GB19630001374
申请日期
1963.01.11
申请人
MULLARD LIMITED
发明人
GORE GERHARD WERNER
分类号
B61L1/18
主分类号
B61L1/18
代理机构
代理人
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