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经营范围
发明名称
Portable electric lamp
摘要
申请公布号
US2065068(A)
申请公布日期
1936.12.22
申请号
US19350031965
申请日期
1935.07.18
申请人
LEO GUDEMAN
发明人
GUDEMAN LEO
分类号
F21S8/04;F21V21/00
主分类号
F21S8/04
代理机构
代理人
主权项
地址
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