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发明名称
Electric discharge tube suitable for illuminating photographic dark rooms
摘要
申请公布号
GB660251(A)
申请公布日期
1951.11.07
申请号
GB19480019321
申请日期
1948.07.19
申请人
TUMALAMPAN AKTIEBOLAG
发明人
分类号
C09K11/02
主分类号
C09K11/02
代理机构
代理人
主权项
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