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发明名称
PERFECCIONAMIENTOS EN LOS MEDIOS PROTECTORES DE TUBOS DE IMAGEN
摘要
申请公布号
ES274406(A1)
申请公布日期
1962.04.16
申请号
ES19060002744
申请日期
1962.01.30
申请人
SCHORODER, HEINRICH FRIEDRICH
发明人
分类号
(IPC1-7):G03
主分类号
(IPC1-7):G03
代理机构
代理人
主权项
地址
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