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Semiconductor devices Part 5-13- Optoelectronic devices - Hydrogen sulphide corrosion test for LED packages. Original standard BS IEC 60747-5-13-2021 in PDF full version. Additional info + preview on request

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Connectors for optical fibres and cables Part 14-4- Detail specification for fibre optic adaptor (simplex) type SC for multimode fibre. Original standard BS IEC 60874-14-4-1997 (1999) in PDF full version. Additional info + preview on request

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Connectors for optical fibres and cables Part 14-5- Detail specification for fibre optic connector type SC-PC untuned terminated to single-mode fibre type B1. Original standard BS IEC 60874-14-5-1997 (1999) in PDF full version. Additional info + preview on request

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Nuclear power plants. Instrumentation important to safety. Acoustic monitoring systems for detection of loose parts- Characteristics, design criteria and operational procedures. Original standard BS IEC 60988-2009 in PDF full version. Additional info + preview on request

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Electromagnetic Compatibility (EMC) Part 4-23- Testing and measurement techniques - Test methods for pr otective devices for HEMP and other radiated disturbances. Original standard BS IEC 61000-4-23-2016 (2021) in PDF full version. Additional info + preview on request

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Safety requirements for electrical equipment for measurement, control, and laboratory use - Conformity verification report for IEC 61010-2-020-1992, particular requirements for laboratory centrifuges. Original standard BS IEC 61010-3-020-1999 in PDF full version. Additional info + preview on request

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