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发明名称
Improvements in and connected with pocket electric lamps
摘要
申请公布号
GB480194(A)
申请公布日期
1938.02.18
申请号
GB19360029470
申请日期
1936.10.29
申请人
EDWIN THIRKELL MARCH
发明人
分类号
F21V33/00
主分类号
F21V33/00
代理机构
代理人
主权项
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