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发明名称
Dispositif d'étalonnage de wattmètres en courant continu
摘要
申请公布号
FR1179810(A)
申请公布日期
1959.05.28
申请号
FRD1179810
申请日期
1957.07.24
申请人
COMPAGNIE POUR LA FABRICATION DES COMPTEURS & MATERIEL D'USINES A GAZ
发明人
分类号
G01R1/28
主分类号
G01R1/28
代理机构
代理人
主权项
地址
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