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发明名称
Procédé et appareil d'enregistrement des phénomènes électriques et mécaniques à l'aide d'un oscillographe
摘要
申请公布号
FR831378(A)
申请公布日期
1938.09.01
申请号
FRD831378
申请日期
1937.12.28
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G01L9/12;G01R15/14
主分类号
G01L9/12
代理机构
代理人
主权项
地址
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