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经营范围
发明名称
Improvements relating to electric indicating or measuring instruments
摘要
申请公布号
GB425622(A)
申请公布日期
1935.03.19
申请号
GB19330025986
申请日期
1933.09.20
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H03J1/04
主分类号
H03J1/04
代理机构
代理人
主权项
地址
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