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Power line communication apparatus and systems on low-voltage electrical installations in the frequency range 1.6 MHz to 30 MHz. Part 2-1. Residential, commercial and industrial environment. Immunity requirements
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Radiocommunication networks. Service zones. Calculation methods
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Printing teletypes for 5-element code. Reliability test methods
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Amplifying, rectifying and transmitting tubes of anode dissipated power to 25 W and vacuum display tubes for wide application designs. General specifications
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Information technology. Automatic identification and data capture techniques. Code 39 bar code symbology specification
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Series capacitors for power systems. Part 2. Protective equipment for series capacitor banks
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