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经营范围
发明名称
Improvements in or relating to free-running electric current converters
摘要
申请公布号
GB940669(A)
申请公布日期
1963.10.30
申请号
GB19610012181
申请日期
1961.04.05
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
H02M7/515;H02M7/516
主分类号
H02M7/515
代理机构
代理人
主权项
地址
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