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发明名称
Improvements in electric lamps
摘要
申请公布号
GB357252(A)
申请公布日期
1931.09.21
申请号
GB19300018993
申请日期
1930.06.21
申请人
ANTON LEDERER
发明人
分类号
H01J61/96
主分类号
H01J61/96
代理机构
代理人
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