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发明名称
Improvements in or relating to low-pressure mercury vapour discharge lamps
摘要
申请公布号
GB737828(A)
申请公布日期
1955.10.05
申请号
GB19530024266
申请日期
1953.09.02
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
C09K11/74
主分类号
C09K11/74
代理机构
代理人
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地址
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