发明名称 Alphabet block books
摘要 A series of books having indicia printed on the outside thereof which cooperate when employed as building blocks is disclosed to function as an educational tool.
申请公布号 AU7607198(A) 申请公布日期 1998.12.21
申请号 AU19980076071 申请日期 1998.06.02
申请人 INNOVATIVE USA, INC. 发明人 SHARI KAUFMANN
分类号 G09B1/32;G09B1/34;G09B17/00 主分类号 G09B1/32
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