Printed materials, namely, curricula in the field of mathematics; Printed teaching materials in the field of mathematics; Printed instructional material on telecommunications; Textbooks

'curricula':4 'field':7,15 'instruct':19 'materi':2,12,20 'mathemat':9,17 'name':3 'print':1,10,18 'teach':11 'telecommun':22 'textbook':23

Building games; Toy building blocks capable of interconnection; Toy vehicles; Toy models; construction toys

'block':5 'build':1,4 'capabl':6 'construct':13 'game':2 'interconnect':8 'model':12 'toy':3,9,11,14 'vehicl':10

CALCULIX

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