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Data transmission equipment signal conversion modules for a 64 Kbit/s basic digital channel. Types and basic parameters
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Optical fibres. Part 1-30. Measurement methods and test procedures. Fibre proof test
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Reprography. Copyrography. Electrophotographic document copying machines. General technical requirements
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Gas discharge devices. Methods of measurement of electrical parameters of glow-discharge thyratrons and gas-filled rectifiers
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Workmanship requirements for soldered electronic assemblies. Part 1. General
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Zener diodes. Methods for measuring spectral noise density
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