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Development of a mobile device for air purification in the welding industry - PDF (Russian)
Copyright (c) 2018 Shirniyekh A.A.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Copyright (c) 2018 Shirniyekh A.A.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.