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发明名称
Fréquencemètre électronique à échelle dilatée pour courant électrique à fréquence industrielle
摘要
申请公布号
FR1341667(A)
申请公布日期
1963.11.02
申请号
FR19620910158
申请日期
1962.09.21
申请人
COMPAGNIE INDUSTRIELLE DES TELEPHONES
发明人
LAVIRON EDOUARD
分类号
G01R23/02;G04F10/04
主分类号
G01R23/02
代理机构
代理人
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