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TIANSE Binding Machine, 21-Hole, 450 Sheet, Spiral Binding Machine with Starter Kit 100 PCS 3/8'' Comb Binding Spines, Comb Binding Machine Perfect for Daily Office Documents : Amazon.co.uk: Stationery & Office Supplies
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100 Pack Black Plastic Comb Binding Spines for Spiral Notebook and Office Supplies, 0.2 in. - Walmart.com
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RAYSON 21 Ring Plastic Comb Binding Spines, 90-Sheet Capacity, 12mm Colorful Comb Binder Spines, A4 Size Paper, Box of 100 : Amazon.co.uk: Stationery & Office Supplies
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GBC Binding Spines/Spirals/Coils, 2" Diameter, 500 Sheet Capacity, CombBind, Black, 50 Pack (4200022) : Amazon.co.uk: Stationery & Office Supplies
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