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经营范围
发明名称
Improvements in or relating to magnetic amplifiers
摘要
申请公布号
GB729240(A)
申请公布日期
1955.05.04
申请号
GB19520023866
申请日期
1952.09.23
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;SAMUEL HOWARD DALE
发明人
分类号
H03F9/02
主分类号
H03F9/02
代理机构
代理人
主权项
地址
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