Noise of machines. Guidelines for the selection of method for the determination of emission sound pressure levels at a work station and at other specified positions
Bearing base constructions for electronic equipment. Thermal management for cabinets, in accordance with the standards of IEC 60297 and IEC 60917 series. Part 1. Design guide. Sizes of interface and position on the thermoelectric systems of cooling (Peltier effect)
Digital paths of the initial distribution of programs of a sound broadcasting, organized by fiber optical, satellite, radiorelay and cable systems of transfer. Terms and definitions. Structure. Basic parameters. Methods of measurement
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