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经营范围
发明名称
Improvement in and relating to voltage regulators
摘要
申请公布号
GB642535(A)
申请公布日期
1950.09.06
申请号
GB19460026881
申请日期
1946.09.06
申请人
ELECTRIC MACHINERY MFG. CO.
发明人
分类号
H02P9/14
主分类号
H02P9/14
代理机构
代理人
主权项
地址
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