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发明名称
APPARECCHIO CINETICO PER LA VERIFICA GLOBALE DEL TEOREMA DI PITAGORA
摘要
申请公布号
IT1068353(B)
申请公布日期
1985.03.21
申请号
IT19760002122
申请日期
1976.11.09
申请人
RICCARDI ROCCO
发明人
分类号
G09B23/04;(IPC1-7):G09B/
主分类号
G09B23/04
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