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经营范围
发明名称
Improvements relating to railway point and signal rodding and the like
摘要
申请公布号
GB515486(A)
申请公布日期
1939.12.06
申请号
GB19380016400
申请日期
1938.06.01
申请人
WALTER SYDNEY ROBERTS;THE RAILWAY SIGNAL COMPANY LIMITED
发明人
分类号
B61L7/02
主分类号
B61L7/02
代理机构
代理人
主权项
地址
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