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发明名称
Flashlight with h-shaped frame forming opposed holders for dry cells and lamp head
摘要
申请公布号
US2612598(A)
申请公布日期
1952.09.30
申请号
US19500190594
申请日期
1950.10.17
申请人
FRANK BERMAN
发明人
BERMAN FRANK
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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