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发明名称
摘要
申请公布号
JPS5352412(Y2)
申请公布日期
1978.12.14
申请号
JP19740090437U
申请日期
1974.07.31
申请人
发明人
分类号
G06K7/08;G07F7/08;G11B19/00;G11B19/16;G11B25/04;(IPC1-7):G11B25/04
主分类号
G06K7/08
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代理人
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