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Class Information
Number: 434/418
Name: Education and demonstration > Means for demonstrating apparatus, product, or surface configuration, or for displaying education material or student's work > Chalkboard or equivalent means having easily erasable surface > With ruler, straight edge, or holder therefor
Description: Subject matter including a strip used for guiding a pen or pencil in drawing lines or for measuring, or a means for holding a strip of such type.










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