Low-frequency cables and wires with p.v.c. insulation and p.v.c. Sheath - Part 2: Cables in pairs, triples, quads and quintuples for inside installations IEC 189-2 /
IEC 189-2
ISO, IEC.
- 3rd edition.
- Geneva : ISO : IEC, 1981.
- 39 stron ; 30 cm.