[国外标准] IEC 60227-3-1997 Polyvinyl chloride insulated cables of rated voltages up to and including 450 750 V - Part 3 - Non-sheathed cables for fixed wiring
IEC 60227-3-1997 IEC 60227-3 (1997-11) Polyvinyl chloride insulated cables of rated voltages up to and including 450&750 V - Part 3 - Non-sheathed cables for fixed wiring.rar