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keevistoru, mille keevisõmblus on toru pikitelje suhtes spiraalne (vrd pikiõmblustoru), pipe or tube rolled and welded according to a preferred helical angle (compare: longitudinally welded tube)
spirally welded tube . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/spirally%20welded%20tube/1/eng (19.06.2026)
