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经营范围
发明名称
Improvements in or relating to flashlight lamps
摘要
申请公布号
GB740315(A)
申请公布日期
1955.11.09
申请号
GB19540004517
申请日期
1954.02.16
申请人
PHILIPS ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
F21K5/08;H01J9/42
主分类号
F21K5/08
代理机构
代理人
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地址
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