Registration number (WIID)Project No.TitleStatus
8012EN 1861:1998Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbolsIzstrādē
28178EN 1736:2008Refrigerating systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes - Requirements, design and installationIzstrādē
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