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  1. 1
    Timepiece with multiplication table display and method of teaching multiplication tables

    Timepiece with multiplication table display and method of teaching multiplication tables von Al-Jafar, Ali Ashour

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  2. 2
    EDUCATIONAL METHOD OF TEACHING ARITHMETIC

    EDUCATIONAL METHOD OF TEACHING ARITHMETIC von AL-JAFAR ALI ASHOUR

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    Patent

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  3. 3
    Timepiece with multiplication table display and method of teaching multiplication tables

    Timepiece with multiplication table display and method of teaching multiplication tables von AL-JAFAR ALI ASHOUR

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  4. 4
    TIMEPIECE WITH MULTIPLICATION TABLE DISPLAY AND METHOD OF TEACHING MULTIPLICATION TABLES

    TIMEPIECE WITH MULTIPLICATION TABLE DISPLAY AND METHOD OF TEACHING MULTIPLICATION TABLES von AL-JAFAR ALI ASHOUR

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  5. 5
    Calculating clock (multiplication figure)

    Calculating clock (multiplication figure) von AL-JAFAR ALI ASHOUR

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