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Fractum
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Switzerland, , Barerstrasse 53 post box 4559 6304 Zug |
+45 76 74 08 44 URL http://www.fractum.ru |
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ЭКСКЛЮЗИВНЫЕ НОВОСТИ ГОРНОЙ ПРОМЫШЛЕННОСТИ
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Гидродинамическое давление
Давление, которое оказывает фильтрующая вода под влиянием напора на грунтовой скелет в направлении своего движения. Горнопромышленный Портал России
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