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发明名称
摘要
申请公布号
JPS4811021(Y1)
申请公布日期
1973.03.24
申请号
JP19690018683U
申请日期
1969.02.28
申请人
发明人
分类号
F21V23/04;F21V3/00;H01H17/14;(IPC1-7):F21V3/00
主分类号
F21V23/04
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