OPTICAL DEVICE FOR THE INSPECTION OF PIPE INNER SURFACE - PDF (Russian)
Copyright (c) 2019 Abulkhanov S.R., Ivliev N.A.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2019 Abulkhanov S.R., Ivliev N.A.
This work is licensed under a Creative Commons Attribution 4.0 International License.