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发明名称
Portable lamp
摘要
申请公布号
US2320917(A)
申请公布日期
1943.06.01
申请号
US19410386669
申请日期
1941.04.03
申请人
ELY OSCAR L
发明人
ELY OSCAR L.
分类号
F21L4/00;F21L14/00
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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