Influence of activators on the quality of spirally-welded pipes, produced with aplication of high-frequency currents von V. V. Polukhin, A. S. Prokofev, D. V. Romashko, S. V. Rymar, R. S. Gubatjuk

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Increase of strength characteristics of spirally- welded pipes for construction purposes von A. S. Pismennyj, A. S. Prokofev, R. S. Gubatjuk, A. A. Pismennyj, V. V. Polukhin, R. F. Jukhimenko, A. R. Gavrik

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Role of forming device on structure and phase composition of joints produced in press butt braze welding von A. S. Pismennyj, A. S. Prokofev, A. A. Pismennyj, D. P. Novikova, R. V. Jukhimenko, V. V. Polukhin, I. I. Ptashinskaja, Ju. V. Polukhin

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