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发明名称
摘要
申请公布号
JPS481887(U)
申请公布日期
1973.01.11
申请号
JP19710041384U
申请日期
1971.05.24
申请人
发明人
分类号
F21S2/00;F21V14/00;F21V19/00;(IPC1-7):F21M7/00
主分类号
F21S2/00
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