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发明名称
摘要
申请公布号
NL6407580(A)
申请公布日期
1965.03.08
申请号
NL19640007580
申请日期
1964.07.03
申请人
发明人
分类号
G11B5/33;H03F7/02
主分类号
G11B5/33
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代理人
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地址
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