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发明名称
Portable electric lamp
摘要
申请公布号
US1778039(A)
申请公布日期
1930.10.14
申请号
US19280283040
申请日期
1928.06.05
申请人
BERNHARD ROGGE
发明人
ROGGE BERNHARD
分类号
F21L4/00;F21V17/02
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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