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发明名称
Improvements in automatic route-signalling apparatus
摘要
申请公布号
GB474825(A)
申请公布日期
1937.11.08
申请号
GB19360003350
申请日期
1936.02.04
申请人
FRANCISCO FERNANDO FUNES Y RUIZ
发明人
分类号
G09B29/06
主分类号
G09B29/06
代理机构
代理人
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