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发明名称
Battery life indicator module for flashlight
摘要
申请公布号
GB2215851(A)
申请公布日期
1989.09.27
申请号
GB19890001407
申请日期
1989.01.23
申请人
* TEKNA
发明人
RALPH F * OSTERHOUT;PAUL L * HOWARD;GRETA GLEASON * LIGHT
分类号
F21L4/00;G01R31/36
主分类号
F21L4/00
代理机构
代理人
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地址
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