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发明名称
摘要
申请公布号
JPH0110716(Y2)
申请公布日期
1989.03.28
申请号
JP19810029753U
申请日期
1981.03.03
申请人
发明人
分类号
G08B7/00;G08B7/06;(IPC1-7):G08B7/00
主分类号
G08B7/00
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代理人
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