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Information × Registration Number 0310U008049, 0109U000747 , R & D reports Title Working out and approving changes in interstate standards GOST 8639-82 , GOST 8645-68 and GOST 13663-86 . popup.stage_title Розробка та затвердження змін до міждержавних стандартів на профільні труби ГОСТ 8639-82 , ГОСТ 8645-68 і ГОСТ 13663-86. Head Sokurenko Viktor Pavlovych, Registration Date 17-09-2010 Organization Ya.Ye.Osada State Scientific Research Tube Institute popup.description2 3 amendments to international standards have been worked out on delivery of new types of shaped tubes produced by furnace welding and hot sizing of round electric welded tubes and product range and chemical composition of steel have been extended. Product Description popup.authors Кобякова Тетяна Михайлівна popup.nrat_date 2020-04-02 Close