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发明名称
Method and means for measuring the microphonic action of multi-electrode tubes
摘要
申请公布号
GB658253(A)
申请公布日期
1951.10.03
申请号
GB19470027573
申请日期
1947.10.14
申请人
GASTON JULIEN LOUIS GUYOT;PAUL GILLET
发明人
分类号
G01R31/24;H01J9/42
主分类号
G01R31/24
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