ielts-simon.com: IELTS Reading

ielts-simon.com: IELTS Reading

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日期:2026-04-18
The Paper Clip According to the Early Office Museum, the first patent for a bent wire paper clip was awarded in the United States to Samuel B. Fay, in 1867. This clip was originally intended primarily for attaching tickets to fabric, although the patent r...看更多