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发明名称
摘要
申请公布号
JPS5684216(U)
申请公布日期
1981.07.07
申请号
JP19790167067U
申请日期
1979.11.30
申请人
发明人
分类号
F21V23/02;H01F37/00;(IPC1-7):F21V23/02;H01F31/06
主分类号
F21V23/02
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