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发明名称
Combination portable pocket light and camera unit
摘要
申请公布号
US2138723(A)
申请公布日期
1938.11.29
申请号
US19360081677
申请日期
1936.05.25
申请人
ARTHUR BELL JOHN
发明人
BELL JOHN ARTHUR
分类号
F21V33/00;G03B9/70
主分类号
F21V33/00
代理机构
代理人
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地址
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