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经营范围
发明名称
Dispositifs d'enregistrement magnetiques
摘要
申请公布号
BE579029(A1)
申请公布日期
1959.09.16
申请号
BE19590579029
申请日期
1959.05.26
申请人
NATIONALE RESEARCH DEVELOPMENT CORPORATION
发明人
分类号
(IPC1-7):G06F
主分类号
(IPC1-7):G06F
代理机构
代理人
主权项
地址
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