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经营范围
发明名称
Signalling or alarm devices for warning traffic
摘要
申请公布号
GB420393(A)
申请公布日期
1934.11.30
申请号
GB19330021269
申请日期
1933.07.28
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;EDWARD GLADSTONE WILLMER
发明人
分类号
G08G1/04
主分类号
G08G1/04
代理机构
代理人
主权项
地址
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