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DIN EN ISO 14903/A1
Refrigerating systems and heat pumps - Qualification of tightness of components and joints - Amendment 1 (ISO 14903:2017/DAM 1:2022); German version EN ISO 14903:2017/FprA1:2022
DIN EN ISO 14903
Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2023); German and English version prEN ISO 14903:2023
prEN ISO 14903
Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2023)
prEN ISO 11970
Specification and qualification of welding procedures for production welding of steel castings (ISO/DIS 11970:2024)
prEN 1993-1-11
Eurocode 3 - Design of steel structures - Part 1-11: Tension components
DIN EN 10253-4
Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements; German version FprEN 10253-4:2024
DIN EN 10253-2/A1
Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements; German and English version EN 10253-2:2021/prA1:2024
EN 10253-2/prA1
Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
DIN EN ISO 5659
Plastics - Smoke generation - Determination of optical density by a single-chamber test (ISO/DIS 5659:2024); German and English version prEN ISO 5659:2024
prEN ISO 5659 rev
Plastics - Smoke generation - Determination of optical density by a single-chamber test
