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发明名称
MEJORAS EN SOPORTES DE FILAMENTO PARA LáMPARAS DE INCANDESCENCIA Y EN PARTICULAR PARA TUBOS LUMINOSOS
摘要
申请公布号
ES130377(A1)
申请公布日期
1933.06.16
申请号
ES19770001303
申请日期
1933.04.20
申请人
CHARLES PERRIN, MARCEL;EUGENE VINZANT, JEAN
发明人
分类号
(IPC1-7):H01
主分类号
(IPC1-7):H01
代理机构
代理人
主权项
地址
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