· in accordance with GOST 380-2005, COST 14637-89, GOST 1050-88. Length of the tubes is from 6 to...
12
· in accordance with GOST 380-2005, COST 14637-89, GOST 1050-88. Length of the tubes is from 6 to 12 meters, with 100% control of seam by means Of nondestructive method. The cutting
