DIN EN 17671:2021-07 Heating systems and water based cooling systems in buildings - Design for water based cooling systems; German and English version prEN 17671:2021 / Note: Date of issue 2021-06-04
2021DIN EN 17671:2021-07 Heating systems and water based cooling systems in buildings - Design for water based cooling systems; German and English version prEN 17671:2021 / Note: Date of issue 2021-06-04