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发明名称
LOW PRESSURE SODIUM VAPOUR DISCHARGE LEMP
摘要
申请公布号
GB1558016(A)
申请公布日期
1979.12.19
申请号
GB19770044547
申请日期
1977.10.26
申请人
PHILIPS NV
发明人
分类号
H01J61/52;H01J61/35;H01J61/74;(IPC1-7):H01J61/30
主分类号
H01J61/52
代理机构
代理人
主权项
地址
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