1 Coordinate Scale Protractor Map. 【Clear】: The scale is clearly visible and easy to operate. 【Function】: The multicoordinate position work ruler can help complete geographic study and work tasks, which is very convenient.
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Protractor Ruler Coordinate Scale Learning Measurement Square Measuring Ruler
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Protractor Ruler Geographic Coordinate Ruler for Working Measuring Engineers
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Square Protractor Ruler Map Protractor for Engineering Architecture
