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发明名称
Improvements relating to electric lighting systems
摘要
申请公布号
GB589037(A)
申请公布日期
1947.06.10
申请号
GB19440009785
申请日期
1945.06.15
申请人
SIEMENS ELECTRIC LAMPS AND SUPPLIES LIMITED;JOHN NORMAN ALDINGTON
发明人
分类号
H05B41/34
主分类号
H05B41/34
代理机构
代理人
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地址
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