A1, 594 × 841, 23.4 × 33.1 ; A2, 420 × 594, 16.5 × 23.4 ; A3, 297 × 420, 11.7 × 16.5 ; A4, 210 × 297, 8.3 × 11.7 ; A5, 148 × 210, 5.8 × 8.3.
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