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Ponton (flow) bridges from metal polyethylene pipes - PDF (Russian)
Copyright (c) 2021 Vasiliev K.A., Borisov V.A., Averchenko G.A.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2021 Vasiliev K.A., Borisov V.A., Averchenko G.A.
This work is licensed under a Creative Commons Attribution 4.0 International License.