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发明名称
Improvements in electric lamp bulbs
摘要
申请公布号
GB506132(A)
申请公布日期
1939.05.23
申请号
GB19380025469
申请日期
1938.08.31
申请人
MAURICE ALBERT HASSID;HASSID, AUSTIN & COMPANY, LIMITED
发明人
分类号
H01J5/08
主分类号
H01J5/08
代理机构
代理人
主权项
地址
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