IT8319437V0 -
TABLE FOR LEARNING DIVISION AND MULTIPLICATION, THROUGH ACTIVE MANIPULATION ON A LOGICALLY STRUCTURED GRAPHIC-ICONIC BASE
- Google Patents
TABLE FOR LEARNING DIVISION AND MULTIPLICATION, THROUGH ACTIVE MANIPULATION ON A LOGICALLY STRUCTURED GRAPHIC-ICONIC BASE
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Publication number
IT8319437V0
IT8319437V0IT1943783UIT1943783UIT8319437V0IT 8319437 V0IT8319437 V0IT 8319437V0IT 1943783 UIT1943783 UIT 1943783UIT 1943783 UIT1943783 UIT 1943783UIT 8319437 V0IT8319437 V0IT 8319437V0
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Application filed by Monachesi EnniofiledCriticalMonachesi Ennio
Priority to IT1943783UpriorityCriticalpatent/IT8319437V0/en
Publication of IT8319437V0publicationCriticalpatent/IT8319437V0/en
IT1943783U1983-10-071983-10-07
TABLE FOR LEARNING DIVISION AND MULTIPLICATION, THROUGH ACTIVE MANIPULATION ON A LOGICALLY STRUCTURED GRAPHIC-ICONIC BASE
IT8319437V0
(en)