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发明名称
Optisk element til lysdirigering.
摘要
申请公布号
DK103501(C)
申请公布日期
1966.01.17
申请号
DK19620001239
申请日期
1962.03.19
申请人
NORDISK ELEKTRICITETS SELSKAB AKTIESELSKAB
发明人
分类号
(IPC1-7):F21C
主分类号
(IPC1-7):F21C
代理机构
代理人
主权项
地址
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