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发明名称
EINRICHTUNG MIT EINER VON RADIOAKTIVER STRAHLUNG SCHUETZENDEN WAND.
摘要
申请公布号
DE1726048(U)
申请公布日期
1956.07.12
申请号
DE195300N2889U
申请日期
1953.03.14
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
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