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经营范围
发明名称
Improvements in or relating to d.c. voltage transformer apparatus
摘要
申请公布号
GB1031958(A)
申请公布日期
1966.06.02
申请号
GB19650007638
申请日期
1965.02.22
申请人
TELEFUNKEN PATENTVERWERTUNGSGESELLSCHAFT M.B.H.
发明人
分类号
H02M3/338
主分类号
H02M3/338
代理机构
代理人
主权项
地址
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