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经营范围
发明名称
Improvements in or relating to arrangements for deriving a direct voltage from an alternating voltage
摘要
申请公布号
GB915746(A)
申请公布日期
1963.01.16
申请号
GB19590013391
申请日期
1959.04.20
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
G01M1/22;G06G7/20
主分类号
G01M1/22
代理机构
代理人
主权项
地址
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