Петербургский международный газовый форум
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![Александр Алехин. Лекция [МГ] Сергея Иванова на Кубке А.Алехина в СПб 18 декабря 2022 года.](https://sun9-6.userapi.com/QVGJcGhCTQif7-fVNXqx6quBfpj2L3pRqfJpYg/niSY1SE7U18.jpg)
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