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发明名称
摘要
申请公布号
JPS5642775(Y2)
申请公布日期
1981.10.06
申请号
JP19720075816U
申请日期
1972.06.27
申请人
发明人
分类号
G11B5/80;B42D15/00;B42D15/10;G07B5/12;(IPC1-7):G07B5/12
主分类号
G11B5/80
代理机构
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