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发明名称
Circuit arrangements embodying electron discharge devices
摘要
申请公布号
US2912614(A)
申请公布日期
1959.11.10
申请号
US19540466189
申请日期
1954.11.01
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
SIDNEY REGINALD
分类号
H04N5/228
主分类号
H04N5/228
代理机构
代理人
主权项
地址
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