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发明名称
Beleuchtungseinrichtung fuer Bahnschranken
摘要
申请公布号
DE680666(C)
申请公布日期
1939.09.06
申请号
DE1937Z023913D
申请日期
1937.06.04
申请人
ZEISS IKON AKT.-GES. GOERZWERK
发明人
KLEIN DR.-ING. KARL
分类号
B61L29/02
主分类号
B61L29/02
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代理人
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