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发明名称
Improvements in transportation signal system
摘要
申请公布号
GB1019744(A)
申请公布日期
1966.02.09
申请号
GB19630042206
申请日期
1963.10.25
申请人
SIDNEY HEDLEY BINGHAM
发明人
分类号
B61L3/22;B61L13/04
主分类号
B61L3/22
代理机构
代理人
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