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发明名称
摘要
申请公布号
JPS6121770(Y2)
申请公布日期
1986.06.30
申请号
JP19810188774U
申请日期
1981.12.15
申请人
发明人
分类号
F21V21/00;F21V21/02;F21V23/00;(IPC1-7):F21V21/02
主分类号
F21V21/00
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