Method of measurement of output power and non-linear distortions of electronic tubes and valves under test in the conditions of low-frequency amplification
Rectangular iron all-cast moulding boxes having inside dimensions: length from 2400 to 3000 mm, width from 1600 to 2000 mm, height from 300 to 400 mm. Construction and dimensions
Buildings and structures. Method for determining the building structure ability to maintain a relatively constant temperature of its inside surface under cycling thermal influence
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