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经营范围
发明名称
ELEKTROLUMINESZENZZELLE.
摘要
申请公布号
DE1815947(U)
申请公布日期
1960.08.04
申请号
DE1957A010827U
申请日期
1957.11.09
申请人
OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
分类号
主分类号
代理机构
代理人
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