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发明名称
Flashlight construction
摘要
申请公布号
US2890327(A)
申请公布日期
1959.06.09
申请号
US19550523093
申请日期
1955.07.19
申请人
THE ELECTRIC STORAGE BATTERY COMPANY
发明人
CHENG YICK C.
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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