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发明名称
Battery hand lamp
摘要
申请公布号
GB316616(A)
申请公布日期
1930.11.27
申请号
GB19290023185
申请日期
1929.07.27
申请人
BURGESS BATTERY COMPANY
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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