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 672, 30 March 2022; (5 page(s), in Portuguese)
Resolution – RDC number 645, 24 March 2022; (5 page(s), in Portuguese)
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