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发明名称
摘要
申请公布号
JPH02141902(U)
申请公布日期
1990.11.30
申请号
JP19890042004U
申请日期
1989.04.12
申请人
发明人
分类号
F21S8/12;F21V13/00;(IPC1-7):F21M3/05
主分类号
F21S8/12
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代理人
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