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发明名称
Improvements relating to voltage control circuits
摘要
申请公布号
GB642341(A)
申请公布日期
1950.08.30
申请号
GB19480004777
申请日期
1948.02.18
申请人
METROTOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
H02P9/42
主分类号
H02P9/42
代理机构
代理人
主权项
地址
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