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发明名称
Adjustable flashlight
摘要
申请公布号
US3393312(A)
申请公布日期
1968.07.16
申请号
US19660565823
申请日期
1966.07.18
申请人
FRANK L. DAHL
发明人
DAHL FRANK L.
分类号
F21L4/00;F21V21/32
主分类号
F21L4/00
代理机构
代理人
主权项
地址
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