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经营范围
发明名称
Improvements in or relating to progressive electric regulating switches
摘要
申请公布号
GB637100(A)
申请公布日期
1950.05.10
申请号
GB19460038143
申请日期
1946.12.31
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
H01H9/00
主分类号
H01H9/00
代理机构
代理人
主权项
地址
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