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经营范围
发明名称
Write protect control circuit for computer hard disc systems
摘要
申请公布号
USRE33328(E)
申请公布日期
1990.09.11
申请号
US19890305851
申请日期
1989.02.02
申请人
发明人
分类号
G06F3/06;G06F12/14;G11B19/04;G11B33/10
主分类号
G06F3/06
代理机构
代理人
主权项
地址
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