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发明名称
An improved portable electric lamp
摘要
申请公布号
GB525097(A)
申请公布日期
1940.08.21
申请号
GB19390005086
申请日期
1939.02.16
申请人
JOSEPH LUCAS LIMITED;HORACE VICTOR SIMCO
发明人
分类号
F21L4/00
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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