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经营范围
发明名称
Improvements in and connected with signal control arrangements for railway depots and the like
摘要
申请公布号
GB492197(A)
申请公布日期
1938.09.16
申请号
GB19370009500
申请日期
1937.04.03
申请人
WILLIAM ARTHUR STANIER;FREDERICK STANTON BARNES;PAUL LEWIS HENDERSON
发明人
分类号
B61L1/20
主分类号
B61L1/20
代理机构
代理人
主权项
地址
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