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申请公布号
JPS5539041(B2)
申请公布日期
1980.10.08
申请号
JP19740048866
申请日期
1974.05.02
申请人
发明人
分类号
G11B33/08;G11B3/00;G11B33/02
主分类号
G11B33/08
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