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经营范围
发明名称
Improvements in or relating to electric discharge lamps
摘要
申请公布号
GB818891(A)
申请公布日期
1959.08.26
申请号
GB19550019146
申请日期
1955.07.01
申请人
SIEMENS EDISON SWAN LIMITED
发明人
MOLYNEUX HAROLD GROSVENOR
分类号
H01J61/38
主分类号
H01J61/38
代理机构
代理人
主权项
地址
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