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Liquid crystal display devices - Mechanical testing of display cover glass for mobile devices. Biaxial flexural energy to failure (ball drop). Original standard BS IEC 61747-40-3-2015 in PDF full version. Additional info + preview on request

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Liquid crystal display devices - Mechanical testing of display cover glass for mobile devices. Biaxial flexural strength (ring-on-ring). Original standard BS IEC 61747-40-4-2015 in PDF full version. Additional info + preview on request

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Liquid crystal display devices - Mechanical testing of display cover glass for mobile devices. Strength against dynamic impact by a sharp object with the specimen rigidly supported. Original standard BS IEC 61747-40-5-2018 in PDF full version. Additional info + preview on request

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Liquid crystal display devices - Mechanical testing of display cover glass for mobile devices. Retained biaxial flexural strength (abraded ring-on-ring). Original standard BS IEC 61747-40-6-2018 in PDF full version. Additional info + preview on request

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Measurement of DC magnetic, AC magnetic and AC electric fields from 1 Hz to 100 kHz with regard to exposure of human beings - Basic standard for measurements. Original standard BS IEC 61786-2-2014 in PDF full version. Additional info + preview on request

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Overhead lines. Calculation of the electrical component of distance between live parts and obstacles. Method of calculation. Original standard BS IEC 61865-2001 in PDF full version. Additional info + preview on request

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