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发明名称
摘要
申请公布号
JPH037207(U)
申请公布日期
1991.01.24
申请号
JP19890067935U
申请日期
1989.06.09
申请人
发明人
分类号
F21V3/00;F21V5/04;(IPC1-7):F21V3/00
主分类号
F21V3/00
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代理人
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