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发明名称
Perfectionnements aux lecteurs optiques d'enregistrements d'informations
摘要
申请公布号
FR1490431(A)
申请公布日期
1967.07.28
申请号
FR19660074476
申请日期
1966.08.29
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
G06K7/016
主分类号
G06K7/016
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代理人
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