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The universal ruler can realize all directions of-rotation, translation, angle of-rotation, drawing circles and-curves of any radius, with clear
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QMQJIA Portable Universal Multi-Purpose Rolling Ruler Drawing Parallel Compass-Ruler School Stationery Protractor Ruller Rolling Ruler Metal for Drafting with Rubber-Wheels for Navigation Calligraphy : Office Products
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Multi-Purpose Rolling Ruler
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The universal ruler can realize all directions of-rotation, translation, angle of-rotation, drawing circles and-curves of any radius, with clear
QMQJIA Portable Universal Multi-Purpose Rolling Ruler Drawing Parallel Compass-Ruler School Stationery Protractor Ruller Rolling Ruler Metal for
