GB/T 5023.7-2008 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 7:Flexible cables screened and unscreened with two or more conductors
Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 7:Flexible cables screened and unscreened with two or more conductors