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Class Information
Number: 434/417
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 > Chalkboard cleaning means, chalk or eraser holder, or chalk dust receiver
Description: Subject matter including means for removing markings from the panel, means for holding chalk or an eraser, or means for catching chalk powder.










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