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Description
Diamond dilators are intended for calibration and expansion of a trunk of a well in order to avoid its zauzhivaniye at wear of a diamond crown on outer diameter. Dilators of sector type apply to calibration of walls of wells up to 3000 m in depth in rocks VII-XI of categories on drilling capacity, various degrees of abrasivity, when washing with water or solutions vyazkotyyu up to 25 pages.
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Diamond dilator
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