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经营范围
发明名称
Improvements relating to electrically operated indicating instruments
摘要
申请公布号
GB731967(A)
申请公布日期
1955.06.15
申请号
GB19520031081
申请日期
1952.12.08
申请人
DOWTY EQUIPMENT LIMITED
发明人
SNELL MAURICE SAXON
分类号
G08B5/22
主分类号
G08B5/22
代理机构
代理人
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