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发明名称
Hand flashlight
摘要
申请公布号
US2489806(A)
申请公布日期
1949.11.29
申请号
US19440551861
申请日期
1944.08.30
申请人
OLIVER PELL CONTROL LIMITED
发明人
OLIVER GEORGE FRANCIS NORRIS
分类号
主分类号
代理机构
代理人
主权项
地址
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