发明名称 Educational playing cards
摘要 There is disclosed herein a deck of educational playing cards consisting of fifty-two cards divided into four suits, each suit being representative of two different forms of speech and being so marked. Each card in each suit is representative of two different letters of the alphabet, and is so marked, the thirteen cards in each suit being representative of the twenty-six letters of the alphabet.
申请公布号 US4234189(A) 申请公布日期 1980.11.18
申请号 US19780972991 申请日期 1978.12.26
申请人 CHUNN, ROBERT E. 发明人 CHUNN, ROBERT E.
分类号 A63F1/02;A63F9/00;(IPC1-7):A63F1/00 主分类号 A63F1/02
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