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发明名称
摘要
申请公布号
JPS5027182(Y1)
申请公布日期
1975.08.13
申请号
JP19690068222U
申请日期
1969.07.17
申请人
发明人
分类号
F21V31/00;F21V23/00;(IPC1-7):F21V23/00
主分类号
F21V31/00
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代理人
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