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发明名称
Flaechenbeleuchtungsgeraet mit einer elektrischen Lichtquelle
摘要
申请公布号
DE1018368(B)
申请公布日期
1957.10.31
申请号
DE1953G011590
申请日期
1953.04.24
申请人
RICHARD GANN
发明人
GANN RICHARD
分类号
F21V3/00
主分类号
F21V3/00
代理机构
代理人
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地址
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