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发明名称
摘要
申请公布号
JPS5219438(B2)
申请公布日期
1977.05.27
申请号
JP19710058972
申请日期
1971.08.06
申请人
发明人
分类号
G08B17/00;G08B25/00;(IPC1-7):G08B17/00
主分类号
G08B17/00
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代理人
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