000 00354nam a2200073 4500
080 _a
_b
245 _aIEC: 189-6 - 1982 (Amendment No.1 - 1989); Low-frequency cables and wires with P.V.C. Insulatiion and P.V.C. sheath part 6 Signalling cables in singles for telecommunication equipment and installation
700 _aInternational Electrotechnical Commission
260 _aGeneva
_bIEC
_c1989
300 _a5p
999 _c35842
_d35842