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经营范围
发明名称
Improvements in or relating to mercury arc rectifiers
摘要
申请公布号
GB332019(A)
申请公布日期
1930.07.17
申请号
GB19290018071
申请日期
1929.06.12
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED;FRANK PERCY WHITAKER
发明人
分类号
H02H7/12
主分类号
H02H7/12
代理机构
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