File:R水素社会の相関図.jpg
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![File:R水素社会の相関図.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/R%E6%B0%B4%E7%B4%A0%E7%A4%BE%E4%BC%9A%E3%81%AE%E7%9B%B8%E9%96%A2%E5%9B%B3.jpg/424px-R%E6%B0%B4%E7%B4%A0%E7%A4%BE%E4%BC%9A%E3%81%AE%E7%9B%B8%E9%96%A2%E5%9B%B3.jpg?20120207072047)
Size of this preview: 424 × 599 pixels. Other resolutions: 170 × 240 pixels | 339 × 480 pixels | 543 × 768 pixels | 1,241 × 1,754 pixels.
Original file (1,241 × 1,754 pixels, file size: 1.02 MB, MIME type: image/jpeg)