DIN EN ISO 14903/A1:2022-06
Refrigerating systems and heat pumps - Qualification of tightness of components and joints - Amendment 1 (ISO 14903:2017/DAM 1:2022); German and English version EN ISO 14903:2017/prA1:2022 / Note: Date of issue 2022-05-13*Intended as an amendment to DI...