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发明名称
Improvements relating to mimic diagram panels for railway and other indication systems
摘要
申请公布号
GB689738(A)
申请公布日期
1953.04.01
申请号
GB19490016790
申请日期
1949.06.24
申请人
WESTINGHOUSE BRAKE & SIGNAL COMPANY LIMITED;ROGER BENNETT THORP
发明人
分类号
B61L25/08
主分类号
B61L25/08
代理机构
代理人
主权项
地址
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