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发明名称
摘要
申请公布号
JPS642204(Y2)
申请公布日期
1989.01.19
申请号
JP19810070166U
申请日期
1981.05.15
申请人
发明人
分类号
G07B5/00;G07B1/00;G07B5/02;(IPC1-7):G07B5/02
主分类号
G07B5/00
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代理人
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