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发明名称
摘要
申请公布号
JPH0443923(Y2)
申请公布日期
1992.10.16
申请号
JP19870008807U
申请日期
1987.01.23
申请人
发明人
分类号
F21V21/02;(IPC1-7):F21V21/02
主分类号
F21V21/02
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代理人
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