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发明名称
Flashlight with interchangeable reflectors
摘要
申请公布号
US2251920(A)
申请公布日期
1941.08.12
申请号
US19390262003
申请日期
1939.03.15
申请人
DEICKEN LOUIS A
发明人
DEICKEN 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
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地址
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