Draft of Egyptian standard ES 6121-1 "Water conditioning equipment inside buildings - Active media filters – Part 1: Requirements for performance, safety and testing"; (35 page(s), in Arabic)
Resolution – RDC number 637, 24 March 2022; (2 page(s), in Portuguese)
BOS EN 14387:2021 Respiratory protective devices - Gas filter(s) and combined filter(s) - Requirements, testing, marking.; (29 page(s), in English)
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