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经营范围
发明名称
TEACHING DEVICE
摘要
申请公布号
SU1424047(A1)
申请公布日期
1988.09.15
申请号
SU19864084195
申请日期
1986.07.10
申请人
PENZENSKIJ NAUCHNO-UCHEBNYJ TSENTR SP NI OBEDINENIYA "ALGORITM"
发明人
TIMOSHENKO ANATOLIJ T,SU;MAKAROV VLADIMIR A,SU
分类号
G09B9/00
主分类号
G09B9/00
代理机构
代理人
主权项
地址
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