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| жидкость для освобождения прихваченной трубы (pipe freeing agent is a water-dispersible, low-toxicity spotting fluid designed to free differentially stuck pipe by penetrating the wall cake and metal. Bauirjan) | |||
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| жидкость для освобождения прихваченной трубы (pipe freeing agent is a water-dispersible, low-toxicity spotting fluid designed to free differentially stuck pipe by penetrating the wall cake and metal. Bauirjan) | |||