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发明名称
Improvements in or relating to information storage devices
摘要
申请公布号
GB856930(A)
申请公布日期
1960.12.21
申请号
GB19570007080
申请日期
1957.03.04
申请人
SOCIETE D'ELECTRONIQUE ET D'AUTOMATISME S.A.
发明人
分类号
G11C11/42
主分类号
G11C11/42
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代理人
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