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发明名称
摘要
申请公布号
JPS57138213(U)
申请公布日期
1982.08.28
申请号
JP19810025755U
申请日期
1981.02.23
申请人
发明人
分类号
F21V23/00;F21V21/16;F21V21/36;(IPC1-7):F21V21/36
主分类号
F21V23/00
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