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发明名称
PROCESSO E APARELHO APERFEICOADOS PARA ARMAZENAR DADOS DIGITAIS E MEIO DE ARMAZENAMENTO SULCADO EMPREGADO PELOS MESMOS
摘要
申请公布号
BR6914619(D0)
申请公布日期
1973.01.04
申请号
BR19690214619
申请日期
1969.11.28
申请人
EG E G INC
发明人
CHERTOK A
分类号
G11B20/10;(IPC1-7):G11B3/00
主分类号
G11B20/10
代理机构
代理人
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地址
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