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发明名称
DISPOSITIF POUR L'ENSEIGNEMENT DE LANGUES ETRANGERES
摘要
申请公布号
BE761356(A1)
申请公布日期
1971.07.08
申请号
BE19710761356
申请日期
1971.01.08
申请人
NAUCHNO-ISSLEDOVATELSKY INSTITUT OBSCHEI I PEDAGOGICHESKOI PSIKHOLOGII AKADEMII PEDAGOGICHESKIKH NAUK SSSR, PROSPEKT MARXA, 20, KORPUS V (U.R.S.S.),
发明人
L. V. SHENSHEV.
分类号
G09B5/06;(IPC1-7):G09B/
主分类号
G09B5/06
代理机构
代理人
主权项
地址
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