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发明名称
Учебное пособие для обучения чтению и письму
摘要
申请公布号
SU34209(A1)
申请公布日期
1934.01.31
申请号
SU19330123746
申请日期
1933.02.11
申请人
SHIRYAEV M.D.
发明人
SHIRYAEV M.D.
分类号
G09B17/00
主分类号
G09B17/00
代理机构
代理人
主权项
地址
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