GOST 28726-90

Information technology. Database standards system. Reference model of data management

Conductors for cables, wires and cords

Circular all-cast moulding boxes of aluminium and magnesium alloys having inside diameter from 300 to 500 mm, height from 75 to 150 mm. Construction

Voltage transformers

Zinc strips for general use. Specifications

Common test methods for insulating and sheathing materials of electric and optical cables. Part 4-2. Methods specific to polyethylene and polypropylene compounds. Tensile strength and elongation at break after conditioning at elevated temperature. Wrapping test after conditioning at elevated temperature. Wrapping test after thermal ageing in air. Measurement of mass increase. Long-term stability t