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PR NF A89-242-4 ; PR NF EN 18007-4
Electromagnetic pulse welding - Part 4: Specification and qualification of welding procedures
PR NF A89-440 ; PR NF EN ISO 17779
Brazing - Specification and qualification of brazing procedures for metallic materials
PR NF E35-424 ; PR NF EN ISO 14903
Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2016)
PR NF E67-008 ; PR NF EN ISO/ASTM 52904
Additive manufacturing - Process characteristics and performance - Practice for metal powder bed fusion process to meet critical applications (ISO/ASTM 52904:2019)
PR NF E67-034 ; PR NF EN ISO/ASTM 52937
Additive manufacturing of metals - Qualification principles - Tasks and related skills for AM
PR NF E67-035 ; PR NF EN ISO/ASTM 52919
Additive manufacturing - Qualification principles - Test method of sand moulds for metal casting
PR NF S30-015-2 ; PR NF EN ISO 26101-2
Acoustics - Test methods for the qualification of the acoustic environment - Part 2: Determination of the environmental correction
NF P50-530-3 ; NF EN ISO 22975-3:2014-08-30
Solar energy - Collectors components and materials - Part 3: Absorber surface durability
Edition
2014-08-30
NF S30-015-1 ; NF EN ISO 26101-1:2022-05-11
Acoustics - Test methods for the qualification of the acoustic environment - Part 1: qualification of free-field environments
Edition
2022-05-11
NF X30-490
Waste - Qualification of personnel able to carry out the determination of the coefficient of permeabiliby of an in situ geological formation or of imported or artificially reconstituted materials - Criteria for the qualification of firms and personnel
Edition
2012-04-01
