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发明名称
摘要
申请公布号
JPS5638250(U)
申请公布日期
1981.04.10
申请号
JP19790121977U
申请日期
1979.08.31
申请人
发明人
分类号
F21V33/00;F24F7/10;F24F13/078;(IPC1-7):F24F7/10
主分类号
F21V33/00
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代理人
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