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| | A4 paper format / International standard paper sizes |
 | | A4 size documents have to be copied or printed with a 94% magnification factor to fit on the 6% less tall “Letter” paper, and “Letter” documents have to be printed with 97% size to fit on the 3% less wide A4 format. |
 | | A4 paper and supplies are regularly ordered in the U.S. today, especially by companies and organizations with a lot of international correspondence, including patent lawyers, diplomats, universities, and some government agencies. |
 | | Buying A4 paper in the U.S. is also complicated by the fact that many shop assistants are unfamiliar with the ISO paper-size system, therefore be prepared to ask not only for "A4 paper", but also for "international size paper", "European size paper", "210 mm × 297 mm", and "8 1/4 in × 11 3/4 in". |
| www.cl.cam.ac.uk /~mgk25/iso-paper.html (6834 words) |
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