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发明名称
摘要
申请公布号
JPS6031017(B2)
申请公布日期
1985.07.19
申请号
JP19790051668
申请日期
1979.04.26
申请人
NIPPON COLUMBIA
发明人
TANAKA SHIGEYOSHI
分类号
G11B15/087;G11B5/02;G11B15/52;G11B27/02
主分类号
G11B15/087
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