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经营范围
发明名称
Improvements in and relating to indicators or annunciators adapted to serve as relays
摘要
申请公布号
GB547587(A)
申请公布日期
1942.09.02
申请号
GB19410008038
申请日期
1941.06.26
申请人
TELEPHONE MANUFACTURING COMPANY LIMITED;ALFRED CHARLES BROCKIES
发明人
分类号
G08B5/28
主分类号
G08B5/28
代理机构
代理人
主权项
地址
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