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经营范围
发明名称
Photographic flashlight apparatus
摘要
申请公布号
GB771918(A)
申请公布日期
1957.04.10
申请号
GB19530013939
申请日期
1953.05.18
申请人
ARTHUR FISCHER
发明人
分类号
G03B15/04
主分类号
G03B15/04
代理机构
代理人
主权项
地址
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