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经营范围
发明名称
Improvements in or relating to electric hand lamps
摘要
申请公布号
GB389739(A)
申请公布日期
1933.03.23
申请号
GB19320023843
申请日期
1932.08.25
申请人
ELEKTROTECHNISCHE FABRIK SCHMIDT & CO., G.M.B.H.
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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