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Specification and qualification of welding procedures for production welding of steel castings (ISO/DIS 11970:2024); German and English version prEN ISO 11970:2024

Non-destructive testing - Qualification of radiographic film digitisation systems - Part 1: Definitions, quantitative measurements of image quality parameters, standard reference film and qualitative control

Non-destructive testing - Qualification of radiographic film digitisation systems - Part 2: Minimum requirements

Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2023); German and English version prEN ISO 14903:2023

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

Specification and qualification of welding procedures for metallic materials - Qualification based on previous welding experience

Specification and qualification of welding procedures for metallic materials - Qualification by adoption of a standard welding procedure specification

Specification and qualification of welding procedures for metallic materials - Qualification based on a pre-production welding test (ISO/DIS 15613:2022); German and English version prEN ISO 15613:2022

Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys

Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys

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