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发明名称
Improvements relating to code transmitters for railway signalling systems and the like
摘要
申请公布号
GB566408(A)
申请公布日期
1944.12.28
申请号
GB19430013650
申请日期
1943.08.21
申请人
WESTINGHOUSE BRAKE & SIGNAL COMPANY LIMITED;JAMES PERRIN COLEY
发明人
分类号
B61L23/16
主分类号
B61L23/16
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