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经营范围
发明名称
TUBO DE RAIOS CATODICOS
摘要
申请公布号
BR8006254(A)
申请公布日期
1981.04.07
申请号
BR19800006254
申请日期
1980.09.30
申请人
PHILIPS N V
发明人
ZEPPENFELD K
分类号
H01J29/74;H01J29/56;H01J29/70;H01J29/80;(IPC1-7):H01J29/46;H01J31/00
主分类号
H01J29/74
代理机构
代理人
主权项
地址
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