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发明名称
Portable electric lamp
摘要
申请公布号
US1771640(A)
申请公布日期
1930.07.29
申请号
US19280292569
申请日期
1928.07.13
申请人
KOLLATH FRANCIS C
发明人
KOLLATH FRANCIS C.
分类号
F21L14/00;F21V17/10
主分类号
F21L14/00
代理机构
代理人
主权项
地址
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