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3 Pack Two-Color Scale (inch, cm)Plastic Ruler Set Straight Ruler Plastic Measuring Tool for Student School Office (6 inch Ruler,8 inch Ruler, 12 inch ruler/15,20,30cm) - - Amazon.com
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Rulers Inch and Metric Rulers. Scale for a Ruler in Inches and Centimeters Stock Vector - Illustration of horizontal, centimeters: 163255957
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