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发明名称
摘要
申请公布号
JPH0255173(U)
申请公布日期
1990.04.20
申请号
JP19880135272U
申请日期
1988.10.17
申请人
发明人
分类号
G01R19/25;G09G3/00;G09G3/14;G09G3/20;G11B27/36;(IPC1-7):G01R19/25
主分类号
G01R19/25
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代理人
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