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发明名称
Flash light
摘要
申请公布号
US1857390(A)
申请公布日期
1932.05.10
申请号
US19300467760
申请日期
1930.07.14
申请人
HENRY HYMAN
发明人
MULDOON BERNARD F.
分类号
F21L4/00
主分类号
F21L4/00
代理机构
代理人
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