Receiving amplifier and transmitting tubes with power to 25 watt continuously scattered by anode. Measurement methods of dynamic amplification factor and amplification asymmetry at LF
Low-voltage switchgear and controlgear assemblies. Part 5. Particular requirements for assemblies intended to be installed outdoors in public places. Cable distribution cabinets (CDCs) for power distribution in networks
Industrial automation systems and integration. Product data representation and exchange. Part 21. Implementation methods. Clear text encoding of exchange structure