The device of automatic directing to joint and focusing of the beam in electron-beam welding - PDF (English)
Copyright (c) 2021 Braverman V.Y., Bogdanov V.V., Platonov O.A.
![Creative Commons License](http://licensebuttons.net/l/by/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution 4.0 International License.