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发明名称
DEVICE FOR LEARNING FOREIGN LANGUAGE VOCABULARY
摘要
申请公布号
SU1443016(A1)
申请公布日期
1988.12.07
申请号
SU19874257837
申请日期
1987.04.13
申请人
KI POLT I IM.50-LETIYA VELIKOJ SOTSIALISTICHESKOJ REVOLYUTSII
发明人
KORNEJCHUK VIKTOR I,SU;MIKHAJLYUK ANTON YU,SU;ZHURAVLEV OLEG V,SU;GORODNICHIJ ANDREJ O,SU;MARKOVSKIJ ALEKSANDR P,SU
分类号
G09B19/06
主分类号
G09B19/06
代理机构
代理人
主权项
地址
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