Brazing - Fluxes for brazing - Classification and technical delivery conditions (ISO 18496:2020); German and English version prEN ISO 18496:2021— 16 стр.
Brazing - Fluxes for brazing - Classification and technical delivery conditions (ISO 18496:2020); German and English version prEN ISO 18496:2021— 16 стр.
Brazing - Fluxes for brazing - Classification and technical delivery conditions (ISO 18496:2020); German and English version prEN ISO 18496:2021— 16 стр.