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发明名称
Dispositif pour mesurer des tensions alternatives
摘要
申请公布号
FR1201239(A)
申请公布日期
1959.12.29
申请号
FRD1201239
申请日期
1958.08.11
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
G01R19/22
主分类号
G01R19/22
代理机构
代理人
主权项
地址
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