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Programmable controllers - Part 4- User guidelines. Original standard IEC TR 61131-4-2004 in PDF full version. Additional info + preview on request

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Industrial-process measurement and control - Programmable controllers - Part 8- Guidelines for the application and implementation of programming languages. IEC TR 61131-8:2017-11. Original standard IEC TR 61131-8-2017 in PDF full version. Additional info + preview on request

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Upper frequency limit of r.f. coaxial connectors. IEC 1141:1992. Original standard IEC TR 61141-1992 in PDF full version. Additional info + preview on request

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Guide for safe handling and operation of mobile radio equipment. IEC 61149:1995. Original standard IEC TR 61149-1995 in PDF full version. Additional info + preview on request

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Multicore and symmetrical pair quad cables for digital communications - Part 1-3- Electrical transmission parameters for modelling cable assemblies using symmetrical pair quad cables. Original standard IEC TR 61156-1-3-2011 in PDF full version. Additional info + preview on request

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Multicore and symmetrical pair quad cables for digital communications - Part 1-5- Correction procedures for the measurement results of return loss and input impedance. Original standard IEC TR 61156-1-5-2013 in PDF full version. Additional info + preview on request

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