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经营范围
发明名称
TUBO A RAGGI CATODICI
摘要
申请公布号
IT1025719(B)
申请公布日期
1978.08.30
申请号
IT19740029459
申请日期
1974.11.14
申请人
N.V.PHILIPS GLOEILAMPENFABRIEKEN
发明人
分类号
H01J9/18;H01J29/50;H01J29/82;(IPC1-7):H01J/
主分类号
H01J9/18
代理机构
代理人
主权项
地址
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