For citations:
Potrakhov E.N., Potrakhov N.N., Podumsky A.A., Bessonov V.B., Gryaznov A.Yu. Quality Control of Circumferential Welds of Small Diameter Using RAP-120PM X-Ray Unit. Industrial laboratory. Diagnostics of materials. 2017;83(6):36-38. (In Russ.)