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经营范围
发明名称
GRAVACAO ESTABILIZADA
摘要
申请公布号
BR8007973(A)
申请公布日期
1981.06.23
申请号
BR19800007973
申请日期
1980.12.05
申请人
IBM CORP
发明人
HAYNES M;CHEATHAM S
分类号
G11B5/02;G11B5/09;G11B5/48;G11B5/596;G11B27/30;(IPC1-7):G11B5/02
主分类号
G11B5/02
代理机构
代理人
主权项
地址
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