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经营范围
发明名称
Portable electric lamp
摘要
申请公布号
US2180228(A)
申请公布日期
1939.11.14
申请号
US19380228048
申请日期
1938.09.01
申请人
IRVING FLORMAN
发明人
FLORMAN IRVING
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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