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NF C93-903-35 ; NF EN IEC 61300-3-35:2022-10-28
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-35 : examinations and measurements - Visual inspection of fibre optic connectors and fibre-stub transceivers
Edition
2022-10-28
NF X31-607-4 ; NF EN ISO 21268-4:2019-12-04
Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 4: influence of pH on leaching with initial acid/base addition
Edition
2019-12-04
NF C93-902-38 ; NF EN IEC 61300-2-38:2023-09-15
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-38 : tests - Sealing for fibre optic sealed closures and hardened connectors using air pressure
Edition
2023-09-15
NF C93-903-45 ; NF EN IEC 61300-3-45:2023-08-25
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-45 : examinations and measurements - Attenuation of random mated multi-fibre connectors
Edition
2023-08-25
NF C93-850-1-309 ; NF EN IEC 60794-1-309:2023-05-26
Optical fibre cables - Part 1-309 : generic specification - Basic optical cable test procedures - Cable element test methods - Bleeding and evaporation of filling or flooding compounds, Method G9
Edition
2023-05-26
NF E44-406-1 ; NF EN 17038-1:2019-05-08
Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 1: general requirements and procedures for testing and calculation of Energy Efficiency Index (EEI)
Edition
2019-05-08
SN EN 16803-1
Space - Use of GNSS-based positioning for road Intelligent Transport Systems (ITS) - Part 1: Definitions and system engineering procedures for the establishment and assessment of performances
Edition
2016-10
SN EN ISO 12736-2
Oil and gas industries including lower carbon energy - Wet thermal insulation systems for pipelines and subsea equipment - Part 2: Qualification processes for production and application procedures (ISO 12736-2:2023)
Edition
2023-10
Planung von Heizungsanlagen
Edition
2021-02
Kältetechnik
Sicherheit und Umweltschutz
Edition
2022-10