Conduits and fittings for electrical installation; flexible corrugated and non inflammable conduits of insulating material for light pressure load and a heat resistance up to 105 °C— 1 стр.
Conduits and fittings for electrical installation; rigid non-flame propagating insulating conduits and fittings, plain conduits couplers and bends for medium and heavy pressure strength— 4 стр.
Conduits and fittings for electrical installation; rigid non-flame propagating insulating conduits and fittings, plain couplers and bends for light pressure strength— 3 стр.
