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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
GB725223(A)
申请公布日期
1955.03.02
申请号
GB19530015159
申请日期
1953.06.01
申请人
WESTINGHOUSE ELECTRIO INTERNATIONAL COMPANY
发明人
RAU JOHN SHAW
分类号
H03F9/04
主分类号
H03F9/04
代理机构
代理人
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地址
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