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1 марта 1869 года Менделеев составил Периодическую систему химических элементов https://t.co/clzh0ocIV7
Russian Federation
/ Russian
| User | @ruopentwit |
| Date Posted | 3/1/2017 14:23 |
| Region | Russian Federation |
| Language | Russian |
| Post Type | Standard Tweet |
| Hashtags | -- |