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Televisions program carriers - 16mm films. Dimensions and disposition of image fields and sound recording tracks
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Rework, modification and repair of electronic assemblies
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Fixed and variable vacuum capacitor. Series of rated capacitance voltage and current
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Power consumption of information technology equipment. Measurement methods
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Varistors. Method of test by pulse electrical load
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Optical fibres. Part 1-46. Measurement methods and test procedures. Monitoring of changes in optical transmittance
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