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NF C93-344-3-3 ; NF EN IEC 62343-3-3:2020-05-29
Dynamic modules - Part 3-3 : performance specification templates - Wavelength selective switches
Edition
2020-05-29
NF C93-344-3-4 ; NF EN 62343-3-4:2018-06-15
Dynamic modules - Part 3-4 : performance specification templates - Multicast optical switches
Edition
2018-06-15
NF U42-172 ; NF EN 15925:2011-12-01
Fertilizers - Extraction of total sulfur present in various forms
Edition
2011-12-01
NF U42-173 ; NF EN 15926:2011-12-01
Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms
Edition
2011-12-01
NF X43-250 ; NF EN ISO 23861:2022-10-26
Workplace air - Chemical agent present as a mixture of airborne particles and vapour - Requirements for evaluation of measuring procedures using samplers
Edition
2022-10-26
BS 658
Specification for apparatus for the determination of distillation range (including flasks and receivers)
Edition
1990-03-30
BS EN ISO 15611
Specification and qualification of welding procedures for metallic materials. Qualification based on previous welding experience
Edition
2024-01-23
BS EN 15925
Fertilizers. Extraction of total sulfur present in various forms
Edition
2011-10-31
BS EN 15926
Fertilizers. Extraction of water soluble sulfur where the sulfur is in various forms
Edition
2011-10-31
BS EN ISO 23861
Workplace air. Chemical agent present as a mixture of airborne particles and vapour. Requirements for evaluation of measuring procedures using samplers
Edition
2022-11-07