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发明名称
摘要
申请公布号
JPS4811020(Y1)
申请公布日期
1973.03.24
申请号
JP19690009792U
申请日期
1969.02.04
申请人
发明人
分类号
F21V17/00;F21V7/00;F21V17/06;(IPC1-7):F21V7/12
主分类号
F21V17/00
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