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发明名称
Black-out flashlight
摘要
申请公布号
US2738415(A)
申请公布日期
1956.03.13
申请号
US19530344369
申请日期
1953.03.24
申请人
POPE LOUIS A
发明人
POPE LOUIS A.
分类号
F21L4/00;F21V13/00;F21V17/02;F21Y101/00
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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