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发明名称
摘要
申请公布号
JP2538447(Y2)
申请公布日期
1997.06.18
申请号
JP19900129887U
申请日期
1990.11.30
申请人
发明人
分类号
F21V21/16;F21V21/26;(IPC1-7):F21V21/26
主分类号
F21V21/16
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代理人
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