Design Feature:
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(1) Mathematical signs
(2) Mathematical signs combined with figures or letters
(3) Straight lines or bands
(4) Two lines or bands
(5) Oblique lines or bands
(6) Quadrilaterals containing one or more letters
(7) Quadrilaterals with dark surfaces or parts of surfaces
(8) Other irregular parallelograms, trapezia and quadrilaterals, quadrilaterals containing one or more rounded corners
(9) One quadrilateral
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Goods and Services Information
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