Low-frequency cables and wires with p.v.c. insulation and p.v.c. Sheath - Part 4: Distribution wires with solid conductors, p.v.c. insulated, in pairs, triples, quads and quintuples IEC 189-4 /
IEC 189-4
ISO, IEC.
- 2nd edition.
- Geneva : ISO : IEC, 1980.
- 19 stron ; 30 cm.