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Number: 434/423
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 > Hand-carried school slate > With rigid corner cap or separate means holding slate frame elements together
Description: Subject matter including a stiff means which covers a point where edging members for the panel meet or a means which secures such edging members together.










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