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发明名称
摘要
申请公布号
JPS526562(B2)
申请公布日期
1977.02.23
申请号
JP19720052763
申请日期
1972.05.26
申请人
发明人
分类号
G11B31/00;H04M1/64
主分类号
G11B31/00
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