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发明名称
Device for measuring the time constants of oscillating systems
摘要
申请公布号
GB637111(A)
申请公布日期
1950.05.10
申请号
GB19470011307
申请日期
1947.04.28
申请人
LES LABORATOIRES RADIOELECTRIQUES
发明人
分类号
G01R29/22
主分类号
G01R29/22
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代理人
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