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发明名称
摘要
申请公布号
JPS5312064(Y2)
申请公布日期
1978.04.01
申请号
JP19720103927U
申请日期
1972.09.12
申请人
发明人
分类号
F21V21/02;F21V21/00;F21V21/16;H01B17/58;(IPC1-7):F21V21/00
主分类号
F21V21/02
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