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发明名称
Improvements in or relating to electric lamp attachments
摘要
申请公布号
GB483080(A)
申请公布日期
1938.04.11
申请号
GB19360024627
申请日期
1936.09.09
申请人
ALBERT DAWSON FROGGATT
发明人
分类号
F21L4/00
主分类号
F21L4/00
代理机构
代理人
主权项
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