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发明名称
APERFEICOAMENTOS EM DISPOSICAO DE GUIA FITA MAGNETICA
摘要
申请公布号
BR7700620(A)
申请公布日期
1977.10.04
申请号
BR19770000620
申请日期
1977.02.01
申请人
PHILIPS NV
发明人
SLAGEREN M
分类号
G11B15/61
主分类号
G11B15/61
代理机构
代理人
主权项
地址
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