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BS EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Optical frequency meters internally referenced to a frequency comb
BS EN IEC 60793-2-10:2019 Optical fibres - Product specifications. Sectional specification for category A1 multimode fibres
BS EN IEC 62282-6-400:2019 Fuel cell technologies - Micro fuel cell power systems. Power and data interchangeability
BS EN IEC 63128:2019 Lighting control interface for dimming. Analogue voltage dimming interface for electronic current sourcing controlgear
BS EN 12390-8:2019 Testing hardened concrete - Depth of penetration of water under pressure
BS EN IEC 60086-4:2019 Primary batteries - Safety of lithium batteries
BS EN 12350-3:2019 Testing fresh concrete - Vebe test
BS EN 12350-5:2019 Testing fresh concrete - Flow table test
BS EN 12350-4:2019 Testing fresh concrete - Degree of compactability
BS EN 12350-1:2019 Testing fresh concrete - Sampling and common apparatus