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发明名称
Appareil automatique de lecture pour paralytique ou personne allongée
摘要
申请公布号
FR1313026(A)
申请公布日期
1962.12.21
申请号
FR19626942251
申请日期
1962.01.31
申请人
发明人
MEYSSON RENE LOUIS
分类号
G03B21/00
主分类号
G03B21/00
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代理人
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