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发明名称
摘要
申请公布号
FR2092495(A5)
申请公布日期
1972.01.21
申请号
FR19710010801
申请日期
1971.03.26
申请人
SIEMENS AG
发明人
分类号
F21V21/02;F21V23/02;(IPC1-7):F21S1/00;F21V21/00
主分类号
F21V21/02
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