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发明名称
摘要
申请公布号
JPS5548695(U)
申请公布日期
1980.03.29
申请号
JP19780132685U
申请日期
1978.09.26
申请人
发明人
分类号
F21S2/00;G08B5/00;G09F13/16;(IPC1-7):F21Q3/00
主分类号
F21S2/00
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代理人
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