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1. |
[n]
[hist]
▶ Four Great Inventions (of China: the compass, gunpowder, papermaking and printing) |
2. | A 2022-02-18 11:07:24 Jim Breen <...address hidden...> | |
Refs: | 四大発明 592 |
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1. | A* 2022-02-18 10:23:45 Nicolas Maia | |
Refs: | Wiki https://kotobank.jp/word/四大発明-655353 |