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发明名称
摘要
申请公布号
FR2052892(A5)
申请公布日期
1971.04.09
申请号
FR19700023343
申请日期
1970.06.24
申请人
ELTA VERTRIEBS GMBH TATJ
发明人
分类号
F21L4/00;F21V21/084;F21V33/00;G02C11/04;(IPC1-7):F21L15/00;G02C5/00
主分类号
F21L4/00
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