Матеріали з хімії📚🧑‍🔬

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Створено хіміками для хіміків made by Sliðr (krapka)
@chem_biblio_bot
📚Каталог книг

https://telegra.ph/Katalog-knig-01-11
Лекції
https://telegra.ph/Kursi-01-11
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Welcome to the official X Empire channel!

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Support: @majorbot_support

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Welcome to the official X Empire channel!

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Сooperation: [email protected]