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发明名称
Flashlight
摘要
申请公布号
US2268878(A)
申请公布日期
1942.01.06
申请号
US19390302091
申请日期
1939.10.31
申请人
WESTERN CARTRIDGE COMPANY
发明人
KOPP WALTER R.
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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