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发明名称
Circuit de contrôle pour appareils destinés au travail des métaux par décharges électriques
摘要
申请公布号
FR1178729(A)
申请公布日期
1959.05.14
申请号
FRD1178729
申请日期
1957.07.11
申请人
发明人
GRAELL ALBERTO CAMPRUBI
分类号
B23H7/18
主分类号
B23H7/18
代理机构
代理人
主权项
地址
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