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发明名称
摘要
申请公布号
JPS5638750(Y2)
申请公布日期
1981.09.10
申请号
JP19770027522U
申请日期
1977.03.07
申请人
发明人
分类号
F21V23/02;H01F37/00;H05B41/02;H05B41/14;(IPC1-7):H01F37/00
主分类号
F21V23/02
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