Conduits and fittings for electrical installation; rigid non-flame propagating insulating conduits and fittings; plain conduits with coupler and bends with coupler for medium and heavy pressure strength— 4 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; flexible corrugated and inflammable conduits of insulating material with plain mantle and for heavy pressure load— 1 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.
