Current collection by electric rolling stock current collector. The nomenclature of current collection quality indicators and method of its calculation
Seamless casing, tubing and coupling stock from corrosion-resistant high-alloy steels and alloys for petroleum and natural gas industries. Specifications
Specific test methods for insulating and sheathing polyethylene and polypropylene compounds of electric cables. Resistance to environmental stress cracking. Wrapping test after thermal ageing in air. Measurement of the melt flow index. Carbon black and/or mineral content measurement in PE
