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IEC

PDF Standards IEC 60747-5-9 Ed. 1.0 en:2019

Semiconductor devices – Part 5-9: Optoelectronic devices – Light emitting diodes – Test method of the internal quantum efficiency based on the temperature-dependent electroluminescence
standard by International Electrotechnical Commission, 12/11/2019

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IEC

PDF Standards IEC 61952-1 Ed. 1.0 b:2019

Insulators for overhead lines – Composite line post insulators for AC systems with a nominal voltage greater than 1 000 V – Part 1: definitions, end fittings and designations
standard by International Electrotechnical Commission, 04/04/2019

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IEC

PDF Standards IEC 60704-2-17 Ed. 1.0 b:2020

Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 2-17: Particular requirements for dry-cleaning robots
standard by International Electrotechnical Commission, 10/27/2020

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IEC

PDF Standards IEC 61188-6-2 Ed. 1.0 b:2021

Circuit boards and circuit board assemblies – Design and use – Part 6-2: Land pattern design – Description of land pattern for the most common surface mounted components (SMD)
standard by International Electrotechnical Commission, 02/04/2021

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