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发明名称
Power supply for indirectly heated cathodes
摘要
申请公布号
GB800292(A)
申请公布日期
1958.08.20
申请号
GB19560013435
申请日期
1956.05.01
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
H04B1/16
主分类号
H04B1/16
代理机构
代理人
主权项
地址
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