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发明名称
摘要
申请公布号
JPS472787(U)
申请公布日期
1972.08.31
申请号
JP19710003432U
申请日期
1971.01.28
申请人
发明人
分类号
F21V17/00;(IPC1-7):F21S1/00
主分类号
F21V17/00
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