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发明名称
Procédé et dispositifs pour la production et l'entretien de mouvements pendulairesau moyen de courants ou de tensions alternatifs
摘要
申请公布号
FR1039649(A)
申请公布日期
1953.10.08
申请号
FRD1039649
申请日期
1951.03.22
申请人
CONSERVATOIRE NATIONAL DES ARTS ET METIERS
发明人
LEFRAND EDOUARD
分类号
G04C3/033
主分类号
G04C3/033
代理机构
代理人
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