Design Feature:
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(1) Discs, CDs, DVDs for sound, image and data recording and reproduction; sleeves and boxes for discs
(2) One circle
(3) Joined or intersecting segments or sectors of circles or ellipses
(4) Rectangles
(5)
(6) Quadrilaterals containing one or more circles, ellipses or polygons (specify the content)
(7) Quadrilaterals containing other inscriptions
(8) Quadrilaterals with dark surfaces or parts of surfaces
(9) One ellipse
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