Rectangular weld moulding boxes of cast steel elements having inside dimensions: length from 1000 to 1200 mm, width 700; 800 mm, height 450; 500 mm. Construction and dimensions
Water flow measurement in hydromelioration and water supply systems. Water discharge measurement in open channels by triangular profile weirs. General technical requirements
United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic devices to limit the magnitude of the overvoltage. Norms and requirements
€10
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