State system for ensuring the uniformity of measurements. Measurement microphones. Part 2. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Metal bellows expansion joints for the pipelines of electric power stations and heat-supply systems. Types, basic parameters and general technical requirements
Digital video broadcasting. Extended technical requirements for transmitting DVB service transport streams over networks with IP protocols. Part 5. Quality of service. The renewability of the system. Dynamic service management. Basic parameters
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